diff --git a/src/json.c b/src/json.c
index faaeab35cc..a9333cf076 100644
--- a/src/json.c
+++ b/src/json.c
@@ -936,7 +936,7 @@ item_end:
 			&& dict_find(top_item->jd_tv.vval.v_dict,
 						 top_item->jd_key, -1) != NULL)
 		{
-		    EMSG2(_("E937: Duplicate key in JSON: \"%s\""),
+		    EMSG2(_("E938: Duplicate key in JSON: \"%s\""),
 							     top_item->jd_key);
 		    clear_tv(&top_item->jd_key_tv);
 		    clear_tv(cur_item);
diff --git a/src/testdir/test_json.vim b/src/testdir/test_json.vim
index bd348fc42e..6616365134 100644
--- a/src/testdir/test_json.vim
+++ b/src/testdir/test_json.vim
@@ -152,7 +152,7 @@ func Test_json_decode()
   call assert_fails('call json_decode("blah")', "E474:")
   call assert_fails('call json_decode("true blah")', "E488:")
   call assert_fails('call json_decode("<foobar>")', "E474:")
-  call assert_fails('call json_decode("{\"a\":1,\"a\":2}")', "E937:")
+  call assert_fails('call json_decode("{\"a\":1,\"a\":2}")', "E938:")
 
   call assert_fails('call json_decode("{")', "E474:")
   call assert_fails('call json_decode("{foobar}")', "E474:")
diff --git a/src/version.c b/src/version.c
index dd5f700f86..7b576afccf 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    180,
 /**/
     179,
 /**/