diff --git a/top/top.c b/top/top.c
index 108805ba..da073707 100644
--- a/top/top.c
+++ b/top/top.c
@@ -2101,9 +2101,13 @@ static void sysinfo_refresh (int forced) {
          * No matter what *they* say, we handle the really really BIG and
          * IMPORTANT stuff upon which all those lessor functions depend! */
 static void before (char *me) {
+   static proc_t p;
    struct sigaction sa;
    int i;
 
+   // is /proc mounted?
+   look_up_our_self(&p);
+
    // setup our program name
    Myname = strrchr(me, '/');
    if (Myname) ++Myname; else Myname = me;