1 files changed, 3 insertions, 0 deletions

diff --git a/st.c b/st.c
index 693739e..43f5bc2 100644
--- a/st.c
+++ b/st.c
@@ -865,6 +865,9 @@ execsh(void) {
         char **args;
         char *envshell = getenv("SHELL");
 
+        if (envshell == NULL)
+                envshell ="/bin/sh";
+
         unsetenv("COLUMNS");
         unsetenv("LINES");
         unsetenv("TERMCAP");