diff --git a/certman.sh b/certman.sh
index 3d2c051..34b2de4 100755
--- a/certman.sh
+++ b/certman.sh
@@ -159,7 +159,7 @@ install_certificate() {
     if [ "$FORCE_UPDATE" = "true" ]; then
         needs_reload=1
     elif [ "$FULLCHAIN_PEM" = "true" ] && [ -f "$final_pem" ]; then
-        if ! cmp -s "$final_pem" "$temp_cert_pem"; then
+        if ! cmp -s "$final_pem" "$temp_pem"; then
             needs_reload=1
         fi
     elif [ -f "$final_cert" ]; then