diff --git a/.coveragerc b/.coveragerc
index f8a0b3f7a0ad9685a003c038b30dd54aad161af8..39f1ba7c73884d8a5b4884522bd91f025709899e 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -6,6 +6,7 @@ include =
     km3io/*
 omit =
     tests/*
+    km3io/definitions/*
     km3io/version.py
 exclude_lines =
     pragma: no cover