diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index c2dc267..02d5b3e 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -5059,6 +5059,7 @@
 
 	    if (did_sub)
 		++sub_nlines;
+	    vim_free(new_start);	/* for when substitute was cancelled */
 	    vim_free(sub_firstline);	/* free the copy of the original line */
 	    sub_firstline = NULL;
 	}
diff --git a/src/version.c b/src/version.c
index c3803a1..ccc1c0e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    18,
+/**/
     17,
 /**/
     16,