diff --git a/flips-gtk.cpp b/flips-gtk.cpp
index a047073..d015a2d 100644
--- a/flips-gtk.cpp
+++ b/flips-gtk.cpp
@@ -994,6 +994,10 @@ int GUIShow(const char * filename)
 	button(0,0, "_Apply Patch", G_CALLBACK(a_ApplyPatch));
 	button(1,0, "_Create Patch", G_CALLBACK(a_CreatePatch));
 	button(0,1, "Apply and _Run", G_CALLBACK(a_ApplyRun));
+#ifdef FLATPAK
+	gtk_widget_set_sensitive(button, false);
+	gtk_widget_set_tooltip_text(button, "Running in emulators is not available in Flatpak");
+#endif
 	button(1,1, "_Settings", G_CALLBACK(a_ShowSettings));
 #undef button