diff --git a/roles/postgres/tasks/main.yml b/roles/postgres/tasks/main.yml
index 098d79c..bc750a7 100644
--- a/roles/postgres/tasks/main.yml
+++ b/roles/postgres/tasks/main.yml
@@ -7,12 +7,15 @@
 
 # --- Dynamiczne wykrywanie wersji PostgreSQL ---
 - name: Detect installed PostgreSQL version
-  command: "ls /etc/postgresql | sort -V | tail -n1"
-  register: pg_version_result
+  find:
+    paths: /etc/postgresql
+    file_type: directory
+    depth: 1
+  register: pg_version_dirs
 
 - name: Set PostgreSQL version fact
   set_fact:
-    pg_version: "{{ pg_version_result.stdout }}"
+    pg_version: "{{ pg_version_dirs.files | map(attribute='path') | map('basename') | sort | last }}"
 
 - name: Define PostgreSQL cluster path
   set_fact: