diff --git a/torchy_baselines/common/callbacks.py b/torchy_baselines/common/callbacks.py
index 1a8403a..b5a015d 100644
--- a/torchy_baselines/common/callbacks.py
+++ b/torchy_baselines/common/callbacks.py
@@ -129,7 +129,7 @@ class EventCallback(BaseCallback):
 
     def _on_event(self) -> bool:
         if self.callback is not None:
-            return self.callback()
+            return self.callback.on_step()
         return True
 
     def _on_step(self) -> bool: