diff --git a/core/cat/rabbit_hole.py b/core/cat/rabbit_hole.py
index e9e24532..9a824e3a 100644
--- a/core/cat/rabbit_hole.py
+++ b/core/cat/rabbit_hole.py
@@ -300,7 +300,7 @@ def store_documents(self, docs: List[Document], source: str) -> None:
             # every percStep send a notification in order to monito the progress
             # N.B. file with a len < resolution does not show any percentage
             # the storing should be immediate, and it's correct show only the final msg
-            if ((d+1) % percStep) == 0:
+            if ((percStep > 0) and ((d+1) % percStep) == 0):
                 readPercentage += percResolution
                 self.send_rabbit_thought(f"Read {readPercentage}% of {source}")