diff --git a/pr_agent/tools/pr_generate_labels.py b/pr_agent/tools/pr_generate_labels.py
index 2657a857b..47b6dd36e 100644
--- a/pr_agent/tools/pr_generate_labels.py
+++ b/pr_agent/tools/pr_generate_labels.py
@@ -137,8 +137,8 @@ async def _get_prediction(self, model: str) -> str:
         environment = Environment(undefined=StrictUndefined)
         set_custom_labels(variables, self.git_provider)
         self.variables = variables
-        system_prompt = environment.from_string(get_settings().pr_custom_labels_prompt.system).render(variables)
-        user_prompt = environment.from_string(get_settings().pr_custom_labels_prompt.user).render(variables)
+        system_prompt = environment.from_string(get_settings().pr_custom_labels_prompt.system).render(self.variables)
+        user_prompt = environment.from_string(get_settings().pr_custom_labels_prompt.user).render(self.variables)
 
         response, finish_reason = await self.ai_handler.chat_completion(
             model=model,