diff --git a/src/version.c b/src/version.c
index e576be394..7d046d030 100644
--- a/src/version.c
+++ b/src/version.c
@@ -707,6 +707,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    353,
 /**/
     352,
 /**/
diff --git a/src/vim9instr.c b/src/vim9instr.c
index f20d99372..a13516bbb 100644
--- a/src/vim9instr.c
+++ b/src/vim9instr.c
@@ -2245,6 +2245,7 @@ delete_instr(isn_T *isn)
 	case ISN_ECHOCONSOLE:
 	case ISN_ECHOERR:
 	case ISN_ECHOMSG:
+	case ISN_ECHOWINDOW:
 	case ISN_ENDTRY:
 	case ISN_EXECCONCAT:
 	case ISN_EXECUTE: