diff --git a/packages/backend/src/misc/check-word-mute.ts b/packages/backend/src/misc/check-word-mute.ts
index df5348b02c..950d1e3dd9 100644
--- a/packages/backend/src/misc/check-word-mute.ts
+++ b/packages/backend/src/misc/check-word-mute.ts
@@ -56,7 +56,7 @@ function checkWordMute(
 		}
 	}
 
-	return notMuted;
+	return NotMuted;
 }
 
 export async function getWordHardMute(
diff --git a/packages/client/src/scripts/check-word-mute.ts b/packages/client/src/scripts/check-word-mute.ts
index da44006392..c04bde9e67 100644
--- a/packages/client/src/scripts/check-word-mute.ts
+++ b/packages/client/src/scripts/check-word-mute.ts
@@ -47,6 +47,8 @@ function checkWordMute(
 			// This should never happen due to input sanitisation.
 		}
 	}
+
+	return NotMuted;
 }
 
 export function getWordSoftMute(