diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 1871237..a62b39c 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -1985,7 +1985,7 @@
 		   GdkEventButton *event,
 		   gpointer data UNUSED)
 {
-    int button;
+    int button = 0;  // silence gcc
     int repeated_click = FALSE;
     int x, y;
     int_u vim_modifiers;
diff --git a/src/version.c b/src/version.c
index b361a9c..d12d4e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    66,
+/**/
     65,
 /**/
     64,