diff --git a/rdesktop.c b/rdesktop.c
index 09dc78c..9dad4d4 100644
--- a/rdesktop.c
+++ b/rdesktop.c
@@ -380,7 +380,7 @@ main(int argc, char *argv[])
 	char fullhostname[64];
 	char domain[16];
 	char password[64];
-	char shell[128];
+	char shell[256];
 	char directory[32];
 	BOOL prompt_password, deactivated;
 	struct passwd *pw;