1 files changed, 3 insertions, 3 deletions

diff --git a/shell/ash.c b/shell/ash.c
index fd09e7662..b753678c0 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2944,11 +2944,11 @@ listvars(int on, int off, struct strlist *lp, char ***end)
 static void
 setwinxp(int on)
 {
-        static smallint is_winxp;
+        static smallint is_winxp = 1;
         struct var **vpp;
         struct var *vp;
 
-        if (++on == is_winxp)
+        if (on == is_winxp)
                 return;
         is_winxp = on;
 
@@ -2959,7 +2959,7 @@ setwinxp(int on)
                                 if (!end || is_prefixed_with(vp->var_text, "COMSPEC=") ||
                                                 is_prefixed_with(vp->var_text, "SYSTEMROOT="))
                                         continue;
-                                if (!winxp)
+                                if (!on)
                                         bs_to_slash(end + 1);
                                 else
                                         slash_to_bs(end + 1);