diff --git a/test/entt/signal/sigh.cpp b/test/entt/signal/sigh.cpp
index 05906dbf9..0870536eb 100644
--- a/test/entt/signal/sigh.cpp
+++ b/test/entt/signal/sigh.cpp
@@ -14,7 +14,7 @@ struct sigh_listener {
         return true;
     }
 
-    [[nodiscard]] bool h(const int &) {
+    [[nodiscard]] bool h(const int &) const {
         return val;
     }