diff --git a/src/misc1.c b/src/misc1.c
index fcc8726..9154b96 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -5158,7 +5158,7 @@
     linenr_T	lnum = *lnump;
     int		retval = FALSE;
 
-    while (1)
+    for (;;)
     {
 	if (cin_ispreproc(line))
 	{