diff --git a/cassh.sh b/cassh.sh
index 1b19f91..298806e 100644
--- a/cassh.sh
+++ b/cassh.sh
@@ -131,7 +131,7 @@ main_issue()
 	fi
 
 	if [ ! -f "$PATH_CA_SERIAL" ]; then
-		echo 0 >"$PATH_CA_SERIAL"
+		echo 1 >"$PATH_CA_SERIAL"
 	fi
 	read -r serial <"$PATH_CA_SERIAL"