1 files changed, 1 insertions, 2 deletions

diff --git a/st.c b/st.c
index 64e2cec..b604f0e 100644
--- a/st.c
+++ b/st.c
@@ -1329,9 +1329,8 @@ execsh(void)
                         die("who are you?\n");
         }
 
-        if (!(sh = getenv("SHELL"))) {
+        if ((sh = getenv("SHELL")) == NULL)
                 sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
-        }
 
         if (opt_cmd)
                 prog = opt_cmd[0];