diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc101367..17a07bed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,17 @@ The minor version will be incremented upon a breaking change and the patch versi
 
 ### Breaking
 
+## 2024-08-23
+
+- yellowstone-grpc-client-1.15.4+solana.1.18.22
+- yellowstone-grpc-geyser-1.15.2+solana.1.18.22
+- yellowstone-grpc-proto-1.14.2+solana.1.18.22
+- yellowstone-grpc-tools-1.0.0-rc.11+solana.1.18.22
+
+### Fixes
+
+- geyser: fix `x-request-snapshot` handler ([#412](https://github.com/rpcpool/yellowstone-grpc/pull/412))
+
 ## 2024-08-22
 
 - yellowstone-grpc-client-1.15.3+solana.1.18.22
diff --git a/Cargo.lock b/Cargo.lock
index 5614f5cd..5fe7437d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5253,7 +5253,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-client"
-version = "1.15.3+solana.1.18.22"
+version = "1.15.4+solana.1.18.22"
 dependencies = [
  "bytes",
  "futures",
@@ -5289,7 +5289,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-geyser"
-version = "1.15.1+solana.1.18.22"
+version = "1.15.2+solana.1.18.22"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
diff --git a/Cargo.toml b/Cargo.toml
index fdba4aae..af3c0fe4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,8 +2,8 @@
 resolver = "2"
 members = [
     "examples/rust", # 1.13.0+solana.1.18.22
-    "yellowstone-grpc-client", # 1.15.3+solana.1.18.22
-    "yellowstone-grpc-geyser", # 1.15.1+solana.1.18.22
+    "yellowstone-grpc-client", # 1.15.4+solana.1.18.22
+    "yellowstone-grpc-geyser", # 1.15.2+solana.1.18.22
     "yellowstone-grpc-proto", # 1.14.2+solana.1.18.22
     "yellowstone-grpc-tools", # 1.0.0-rc.11+solana.1.18.22
 ]
@@ -69,7 +69,7 @@ tracing = "0.1.37"
 tracing-subscriber = "0.3.17"
 uuid = "1.8.0"
 vergen = "8.2.1"
-yellowstone-grpc-client = { path = "yellowstone-grpc-client", version = "=1.15.3+solana.1.18.22" }
+yellowstone-grpc-client = { path = "yellowstone-grpc-client", version = "=1.15.4+solana.1.18.22" }
 yellowstone-grpc-proto = { path = "yellowstone-grpc-proto", version = "=1.14.2+solana.1.18.22" }
 
 [profile.release]
diff --git a/yellowstone-grpc-client/Cargo.toml b/yellowstone-grpc-client/Cargo.toml
index c1f0de68..c5db53bb 100644
--- a/yellowstone-grpc-client/Cargo.toml
+++ b/yellowstone-grpc-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-client"
-version = "1.15.3+solana.1.18.22"
+version = "1.15.4+solana.1.18.22"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "Yellowstone gRPC Geyser Simple Client"
diff --git a/yellowstone-grpc-client/src/lib.rs b/yellowstone-grpc-client/src/lib.rs
index c3b903ea..46f3d5b2 100644
--- a/yellowstone-grpc-client/src/lib.rs
+++ b/yellowstone-grpc-client/src/lib.rs
@@ -305,11 +305,11 @@ impl GeyserGrpcBuilder {
     }
 
     // Include `x-request-snapshot`
-    pub fn set_x_request_snapshot(self, value: bool) -> GeyserGrpcBuilderResult<Self> {
-        Ok(Self {
+    pub fn set_x_request_snapshot(self, value: bool) -> Self {
+        Self {
             x_request_snapshot: value,
             ..self
-        })
+        }
     }
 
     // Endpoint options
diff --git a/yellowstone-grpc-geyser/Cargo.toml b/yellowstone-grpc-geyser/Cargo.toml
index 772f4663..091f3a88 100644
--- a/yellowstone-grpc-geyser/Cargo.toml
+++ b/yellowstone-grpc-geyser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-geyser"
-version = "1.15.1+solana.1.18.22"
+version = "1.15.2+solana.1.18.22"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "Yellowstone gRPC Geyser Plugin"
diff --git a/yellowstone-grpc-geyser/src/grpc.rs b/yellowstone-grpc-geyser/src/grpc.rs
index 97922d42..dfda0b1c 100644
--- a/yellowstone-grpc-geyser/src/grpc.rs
+++ b/yellowstone-grpc-geyser/src/grpc.rs
@@ -1110,7 +1110,6 @@ impl GrpcService {
     async fn client_loop(
         id: usize,
         endpoint: String,
-        x_request_snapshot: bool,
         config_filters: Arc<ConfigGrpcFilters>,
         stream_tx: mpsc::Sender<TonicResult<SubscribeUpdate>>,
         mut client_rx: mpsc::UnboundedReceiver<Option<Filter>>,
@@ -1145,19 +1144,17 @@ impl GrpcService {
         info!("client #{id}: new");
 
         let mut is_alive = true;
-        if x_request_snapshot {
-            if let Some(snapshot_rx) = snapshot_rx.take() {
-                Self::client_loop_snapshot(
-                    id,
-                    &endpoint,
-                    &stream_tx,
-                    &mut client_rx,
-                    snapshot_rx,
-                    &mut is_alive,
-                    &mut filter,
-                )
-                .await;
-            }
+        if let Some(snapshot_rx) = snapshot_rx.take() {
+            Self::client_loop_snapshot(
+                id,
+                &endpoint,
+                &stream_tx,
+                &mut client_rx,
+                snapshot_rx,
+                &mut is_alive,
+                &mut filter,
+            )
+            .await;
         }
 
         if is_alive {
@@ -1261,7 +1258,6 @@ impl GrpcService {
                         if stream_tx.send(Ok(msg)).await.is_err() {
                             error!("client #{id}: stream closed");
                             *is_alive = false;
-                            break;
                         }
                         continue;
                     }
@@ -1320,7 +1316,13 @@ impl Geyser for GrpcService {
         mut request: Request<Streaming<SubscribeRequest>>,
     ) -> TonicResult<Response<Self::SubscribeStream>> {
         let id = self.subscribe_id.fetch_add(1, Ordering::Relaxed);
-        let snapshot_rx = self.snapshot_rx.lock().await.take();
+
+        let x_request_snapshot = request.metadata().contains_key("x-request-snapshot");
+        let snapshot_rx = if x_request_snapshot {
+            self.snapshot_rx.lock().await.take()
+        } else {
+            None
+        };
         let (stream_tx, stream_rx) = mpsc::channel(if snapshot_rx.is_some() {
             self.config_snapshot_client_channel_capacity
         } else {
@@ -1366,7 +1368,6 @@ impl Geyser for GrpcService {
             .get("x-endpoint")
             .and_then(|h| h.to_str().ok().map(|s| s.to_string()))
             .unwrap_or_else(|| "".to_owned());
-        let x_request_snapshot = request.metadata().contains_key("x-request-snapshot");
 
         let config_filters = Arc::clone(&self.config_filters);
         let incoming_stream_tx = stream_tx.clone();
@@ -1413,7 +1414,6 @@ impl Geyser for GrpcService {
         tokio::spawn(Self::client_loop(
             id,
             endpoint,
-            x_request_snapshot,
             Arc::clone(&self.config_filters),
             stream_tx,
             client_rx,
diff --git a/yellowstone-grpc-geyser/src/plugin.rs b/yellowstone-grpc-geyser/src/plugin.rs
index 90346b1b..54973969 100644
--- a/yellowstone-grpc-geyser/src/plugin.rs
+++ b/yellowstone-grpc-geyser/src/plugin.rs
@@ -9,7 +9,14 @@ use {
         ReplicaEntryInfoVersions, ReplicaTransactionInfoVersions, Result as PluginResult,
         SlotStatus,
     },
-    std::{concat, env, sync::Arc, time::Duration},
+    std::{
+        concat, env,
+        sync::{
+            atomic::{AtomicBool, Ordering},
+            Arc,
+        },
+        time::Duration,
+    },
     tokio::{
         runtime::{Builder, Runtime},
         sync::{mpsc, Notify},
@@ -20,6 +27,7 @@ use {
 pub struct PluginInner {
     runtime: Runtime,
     snapshot_channel: Option<crossbeam_channel::Sender<Option<Message>>>,
+    snapshot_channel_closed: AtomicBool,
     grpc_channel: mpsc::UnboundedSender<Arc<Message>>,
     grpc_shutdown: Arc<Notify>,
     prometheus: PrometheusService,
@@ -93,6 +101,7 @@ impl GeyserPlugin for Plugin {
         self.inner = Some(PluginInner {
             runtime,
             snapshot_channel,
+            snapshot_channel_closed: AtomicBool::new(false),
             grpc_channel,
             grpc_shutdown,
             prometheus,
@@ -132,7 +141,13 @@ impl GeyserPlugin for Plugin {
                 if let Some(channel) = &inner.snapshot_channel {
                     match channel.send(Some(message)) {
                         Ok(()) => MESSAGE_QUEUE_SIZE.inc(),
-                        Err(_) => panic!("failed to send message to startup queue: channel closed"),
+                        Err(_) => {
+                            if !inner.snapshot_channel_closed.swap(true, Ordering::Relaxed) {
+                                log::error!(
+                                    "failed to send message to startup queue: channel closed"
+                                )
+                            }
+                        }
                     }
                 }
             } else {