diff --git a/thirdparty/stb_image_resize.h b/thirdparty/stb_image_resize.h
index bcca92c2d..afdadfbc9 100644
--- a/thirdparty/stb_image_resize.h
+++ b/thirdparty/stb_image_resize.h
@@ -385,7 +385,7 @@ STBIRDEF int stbir_resize_region(  const void *input_pixels , int input_w , int
 #ifdef STBIR_DEBUG
 #define STBIR__DEBUG_ASSERT STBIR_ASSERT
 #else
-#define STBIR__DEBUG_ASSERT
+#define STBIR__DEBUG_ASSERT(x)
 #endif
 
 // If you hit this it means I haven't done it yet.