diff --git a/install.sh b/install.sh
index c9ae8c7..4cf54cb 100644
--- a/install.sh
+++ b/install.sh
@@ -23,10 +23,15 @@ check_system() {
     if [ -f /etc/os-release ]; then
         . /etc/os-release
         if [ "$NAME" = "Ubuntu" ] && [ "$VERSION_ID" = "22.04" ]; then
+            : # Pusta instrukcja (no-op)
         else
             echo "BŁĄD: Skrypt wspiera jedynie Ubuntu 22.04 LTS"
             exit 1
         fi
+    else
+        echo "BŁĄD: Nie można znaleźć pliku /etc/os-release"
+        exit 1
+    fi
 }
 
 check_system