diff --git a/src/discord/voice/manager.test.ts b/src/discord/voice/manager.test.ts
index 70dbcf5170c..ab13304b5e3 100644
--- a/src/discord/voice/manager.test.ts
+++ b/src/discord/voice/manager.test.ts
@@ -246,17 +246,23 @@ describe("DiscordVoiceManager", () => {
 
     await manager.join({ guildId: "g1", channelId: "c1" });
 
-    const entry = (manager as { sessions: Map<string, unknown> }).sessions.get("g1");
+    const entry = (manager as unknown as { sessions: Map<string, unknown> }).sessions.get("g1");
     expect(entry).toBeDefined();
-    (manager as { handleReceiveError: (e: unknown, err: unknown) => void }).handleReceiveError(
+    (
+      manager as unknown as { handleReceiveError: (e: unknown, err: unknown) => void }
+    ).handleReceiveError(
       entry,
       new Error("Failed to decrypt: DecryptionFailed(UnencryptedWhenPassthroughDisabled)"),
     );
-    (manager as { handleReceiveError: (e: unknown, err: unknown) => void }).handleReceiveError(
+    (
+      manager as unknown as { handleReceiveError: (e: unknown, err: unknown) => void }
+    ).handleReceiveError(
       entry,
       new Error("Failed to decrypt: DecryptionFailed(UnencryptedWhenPassthroughDisabled)"),
     );
-    (manager as { handleReceiveError: (e: unknown, err: unknown) => void }).handleReceiveError(
+    (
+      manager as unknown as { handleReceiveError: (e: unknown, err: unknown) => void }
+    ).handleReceiveError(
       entry,
       new Error("Failed to decrypt: DecryptionFailed(UnencryptedWhenPassthroughDisabled)"),
     );