diff --git a/src/evalfunc.c b/src/evalfunc.c
index 0e071d8..2064982 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -6129,6 +6129,13 @@
 		0
 #endif
 		},
+	{"dialog_con_gui",
+#if defined(FEAT_CON_DIALOG) && defined(FEAT_GUI_DIALOG)
+		1
+#else
+		0
+#endif
+		},
 	{"dialog_gui",
 #ifdef FEAT_GUI_DIALOG
 		1