diff --git a/src/syntax.c b/src/syntax.c
index da2c87684d..09013b07cb 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -1061,7 +1061,9 @@ syn_start_line(void)
 
     next_match_idx = -1;
     ++current_line_id;
+#ifdef FEAT_CONCEAL
     next_seqnr = 1;
+#endif
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index d15b7db8e1..b9f309d216 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 */
+/**/
+    673,
 /**/
     672,
 /**/