diff --git a/src/version.c b/src/version.c
index 1ae8910ccc..8518667e91 100644
--- a/src/version.c
+++ b/src/version.c
@@ -777,6 +777,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1755,
 /**/
     1754,
 /**/
diff --git a/src/window.c b/src/window.c
index 8466c46940..3937fc566c 100644
--- a/src/window.c
+++ b/src/window.c
@@ -4865,6 +4865,7 @@ win_free(
     vim_free(wp->w_thumb_highlight);
     vim_free(wp->w_popup_title);
     list_unref(wp->w_popup_mask);
+    vim_free(wp->w_popup_mask_cells);
 #endif
 
 #ifdef FEAT_SYN_HL