diff --git a/store/src/commonMain/kotlin/org/mobilenativefoundation/store/store5/impl/RealMutableStore.kt b/store/src/commonMain/kotlin/org/mobilenativefoundation/store/store5/impl/RealMutableStore.kt
index f5dbb54f9..84fd02948 100644
--- a/store/src/commonMain/kotlin/org/mobilenativefoundation/store/store5/impl/RealMutableStore.kt
+++ b/store/src/commonMain/kotlin/org/mobilenativefoundation/store/store5/impl/RealMutableStore.kt
@@ -203,10 +203,13 @@ internal class RealMutableStore<Key : Any, Network : Any, Output : Any, Local :
         block: suspend ThreadSafety.() -> Output,
     ): Output {
         storeLock.lock()
-        val threadSafety = requireNotNull(keyToThreadSafety[key])
-        val output = threadSafety.block()
-        storeLock.unlock()
-        return output
+        try {
+            val threadSafety = requireNotNull(keyToThreadSafety[key])
+            val output = threadSafety.block()
+            return output
+        } finally {
+            storeLock.unlock()
+        }
     }
 
     private suspend fun conflictsMightExist(key: Key): Boolean {