diff --git a/src/module.c b/src/module.c
index 217478705..98d4db97f 100644
--- a/src/module.c
+++ b/src/module.c
@@ -5036,6 +5036,8 @@ int RM_UnregisterCommandFilter(RedisModuleCtx *ctx, RedisModuleCommandFilter *fi
     if (!ln) return REDISMODULE_ERR;    /* Shouldn't happen */
     listDelNode(ctx->module->filters,ln);
 
+    zfree(filter);
+
     return REDISMODULE_OK;
 }