diff --git a/src/consensus/zmq_driver.rs b/src/consensus/zmq_driver.rs
index 23a9db8e1..b89fa0a72 100644
--- a/src/consensus/zmq_driver.rs
+++ b/src/consensus/zmq_driver.rs
@@ -44,7 +44,7 @@ const MAX_RETRY_DELAY: Duration = Duration::from_secs(3);
 fn generate_correlation_id() -> String {
     const LENGTH: usize = 16;
     let mut rng = rand::thread_rng();
-    [0..LENGTH]
+    [0; LENGTH]
         .iter()
         .map(|_| rng.sample(Alphanumeric))
         .map(char::from)
diff --git a/src/consensus/zmq_service.rs b/src/consensus/zmq_service.rs
index 7428d14df..ea0cee013 100644
--- a/src/consensus/zmq_service.rs
+++ b/src/consensus/zmq_service.rs
@@ -34,7 +34,7 @@ use std::time::Duration;
 fn generate_correlation_id() -> String {
     const LENGTH: usize = 16;
     let mut rng = rand::thread_rng();
-    [0..LENGTH]
+    [0; LENGTH]
         .iter()
         .map(|_| rng.sample(Alphanumeric))
         .map(char::from)
diff --git a/src/processor/mod.rs b/src/processor/mod.rs
index 29fa8e848..1d2163f64 100644
--- a/src/processor/mod.rs
+++ b/src/processor/mod.rs
@@ -56,7 +56,7 @@ use self::zmq_context::ZmqTransactionContext;
 fn generate_correlation_id() -> String {
     const LENGTH: usize = 16;
     let mut rng = rand::thread_rng();
-    [0..LENGTH]
+    [0; LENGTH]
         .iter()
         .map(|_| rng.sample(Alphanumeric))
         .map(char::from)