diff --git a/lib/isc/unix/stdio.c b/lib/isc/unix/stdio.c
index d10d1121ca..23e1d03afc 100644
--- a/lib/isc/unix/stdio.c
+++ b/lib/isc/unix/stdio.c
@@ -133,7 +133,7 @@ isc_stdio_sync(FILE *f) {
 
 	if (fstat(fileno(f), &buf) != 0)
 		return (isc__errno2result(errno));
- 
+
 	/*
 	 * Only call fsync() on regular files.
 	 */