diff --git a/procps/sysctl.c b/procps/sysctl.c
index 0876a73de..60d9c0afc 100644
--- a/procps/sysctl.c
+++ b/procps/sysctl.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * Sysctl 1.01 - A utility to read and manipulate the sysctl parameters
  *