diff --git a/kcms/style/gtkpage.cpp b/kcms/style/gtkpage.cpp
index 1fbe5c021..9ff400cf6 100644
--- a/kcms/style/gtkpage.cpp
+++ b/kcms/style/gtkpage.cpp
@@ -53,7 +53,7 @@ QString GtkPage::gtkThemeFromConfig()
 
 bool GtkPage::gtkPreviewAvailable()
 {
-    return !QStandardPaths::findExecutable(QStringLiteral("gtk_preview"), {CMAKE_INSTALL_FULL_LIBEXECDIR}).isEmpty();
+    return !QStandardPaths::findExecutable(QStringLiteral("gtk3_preview"), {CMAKE_INSTALL_FULL_LIBEXECDIR}).isEmpty();
 }
 
 void GtkPage::showGtkPreview()