diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 0d83980..3ccb29a 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -511,7 +511,7 @@
 
 	if (sort_nr || sort_flt)
 	{
-	    // Make sure vim_str2nr doesn't read any digits past the end
+	    // Make sure vim_str2nr() doesn't read any digits past the end
 	    // of the match, by temporarily terminating the string there
 	    s2 = s + end_col;
 	    c = *s2;
@@ -539,7 +539,7 @@
 		    nrs[lnum - eap->line1].st_u.num.is_number = TRUE;
 		    vim_str2nr(s, NULL, NULL, sort_what,
 			&nrs[lnum - eap->line1].st_u.num.value,
-			NULL, 0, FALSE);
+			NULL, 0, FALSE, NULL);
 		}
 	    }
 	    else