diff --git a/services/discord-gateway/src/modules/ai-moderation/textCacheStore.ts b/services/discord-gateway/src/modules/ai-moderation/textCacheStore.ts
index 25e7778..8db6e8f 100644
--- a/services/discord-gateway/src/modules/ai-moderation/textCacheStore.ts
+++ b/services/discord-gateway/src/modules/ai-moderation/textCacheStore.ts
@@ -285,9 +285,10 @@ export async function computeImagePhash(
   buffer: Buffer,
 ): Promise<string | null> {
   try {
-    // Dynamic import to avoid issues if imghash native bindings aren't available
-    const imghashModule = await import("imghash");
-    const hashFn = imghashModule.default?.hash ?? imghashModule.hash;
+    // Dynamic import — imghash is ESM with a default export containing { hash, hashRaw, ... }
+    const imghashModule: { default?: { hash?: (buf: Buffer) => Promise<string> } } =
+      await import("imghash");
+    const hashFn = imghashModule.default?.hash;
     if (typeof hashFn !== "function") return null;
     const hash = await hashFn(buffer);
     return hash;