diff --git a/src/lib/searchstore.cpp b/src/lib/searchstore.cpp
--- a/src/lib/searchstore.cpp
+++ b/src/lib/searchstore.cpp
@@ -69,7 +69,7 @@
         return {timet, timet + 24 * 60 * 60 - 1};
     }
 
-    Q_ASSERT_X(0, __FUNC__, "mtime query must contain a valid comparator");
+    Q_ASSERT_X(0, __func__, "mtime query must contain a valid comparator");
     return {0, 0};
 }
 }