1 files changed, 1 insertions, 1 deletions

diff --git a/shell/ash.c b/shell/ash.c
index d104aea1d..a916f2772 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13616,7 +13616,7 @@ init(void)
                         setvar2("PPID", utoa(getppid()));
 #if ENABLE_ASH_BASH_COMPAT
                 p = lookupvar("SHLVL");
-                setvar2("SHLVL", utoa(p ? atoi(p) + 1 : 1));
+                setvar("SHLVL", utoa((p ? atoi(p) : 0) + 1), VEXPORT);
 #endif
                 p = lookupvar("PWD");
                 if (p) {