diff --git a/packages/sdk-core/src/events.ts b/packages/sdk-core/src/events.ts
index 2b7e1beced..6f06fa367d 100644
--- a/packages/sdk-core/src/events.ts
+++ b/packages/sdk-core/src/events.ts
@@ -436,5 +436,6 @@ export interface BondIncreasedEvent extends EventBase {
 }
 
 export interface UnknownEvent extends EventBase {
-    name: string;
+    // @note using the string type breaks the type guard
+    name: "";
 }
diff --git a/packages/sdk-core/src/mapGetAllEventsQueryEvents.ts b/packages/sdk-core/src/mapGetAllEventsQueryEvents.ts
index 349983651d..4323613dae 100644
--- a/packages/sdk-core/src/mapGetAllEventsQueryEvents.ts
+++ b/packages/sdk-core/src/mapGetAllEventsQueryEvents.ts
@@ -680,7 +680,8 @@ export const mapGetAllEventsQueryEvents = (
                     `An unknown event [${eventBase.name}] was detected which couldn't be properly mapped. Please update to the latest version of @superfluid-finance/sdk-core.`
                 );
                 return typeGuard<events.UnknownEvent>({
-                    name: eventBase.name,
+                    // force casted as empty string for the type system
+                    name: eventBase.name as "",
                     id: eventBase.id,
                     blockNumber: eventBase.blockNumber,
                     transactionHash: eventBase.transactionHash,