--- a/src/kconf_update/kconf_update.cpp
+++ b/src/kconf_update/kconf_update.cpp
@@ -759,7 +759,7 @@ void KonfUpdate::gotScript(const QString
     QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("kconf_update/") + script);
     if (path.isEmpty()) {
         if (interpreter.isEmpty()) {
-            path = QLatin1String{CMAKE_INSTALL_PREFIX "/" LIB_INSTALL_DIR "/kconf_update_bin/"} + script;
+            path = QLatin1String{LIB_INSTALL_DIR "/kconf_update_bin/"} + script;
             if (!QFile::exists(path)) {
                 path = QStandardPaths::findExecutable(script);
             }