diff --git a/url.zig b/url.zig
index d6e296023c30e555117e605ab7d0f6616442a2d3..c6a4eaa40b91f16382fe9fab4ba0744c539e5250 100644
--- a/url.zig
+++ b/url.zig
@@ -882,7 +882,7 @@ pub const URL = struct {
         fragment,
     };
 
-    pub fn isSpecial(u: URL) bool {
+    pub fn isSpecial(u: *const URL) bool {
         return isSchemeSpecial(u.scheme);
     }
 };