diff --git a/.coveralls.yml b/.coveralls.yml
index 7b7d1beb5f..3ec7d2c84f 100644
--- a/.coveralls.yml
+++ b/.coveralls.yml
@@ -1,3 +1,3 @@
-src_dir: .
+src_dir: ./libraries/
 coverage_clover: build/logs/clover.xml
 json_path: build/logs/coveralls-upload.json