diff --git a/src/shared/discover-image.h b/src/shared/discover-image.h
index e14ef9dcb5..b20b586ae0 100644
--- a/src/shared/discover-image.h
+++ b/src/shared/discover-image.h
@@ -60,9 +60,9 @@ Image *image_ref(Image *i);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Image*, image_unref);
 
-int image_find(ImageClass class, const char *root, const char *name, Image **ret);
+int image_find(ImageClass class, const char *name, const char *root, Image **ret);
 int image_from_path(const char *path, Image **ret);
-int image_find_harder(ImageClass class, const char *root, const char *name_or_path, Image **ret);
+int image_find_harder(ImageClass class, const char *name_or_path, const char *root, Image **ret);
 int image_discover(ImageClass class, const char *root, Hashmap *map);
 
 int image_remove(Image *i);