diff --git a/CImg.h b/CImg.h
index 0c98914f..a204205d 100644
--- a/CImg.h
+++ b/CImg.h
@@ -60301,6 +60301,7 @@ namespace cimg_library {
                                     "save_webp(): WebP only supports (A)RGB colorspace.",
                                     cimg_instance);
 #ifndef cimg_use_webp
+      cimg::unused(quality);
       return save_other(filename);
 #else
       CImg<uint8_t> rgbaBuffer(size());