diff --git a/Libraries/LibC/assert.h b/Libraries/LibC/assert.h
index 6045f9d484..84e2d779fc 100644
--- a/Libraries/LibC/assert.h
+++ b/Libraries/LibC/assert.h
@@ -41,7 +41,7 @@ __attribute__((noreturn)) void __assertion_failed(const char* msg);
         } while (0)
 #    define ASSERT_NOT_REACHED() assert(false)
 #else
-#    define assert(expr)
+#    define assert(expr) ((void)0)
 #    define ASSERT_NOT_REACHED() CRASH()
 #endif