diff --git a/.travis.yml b/.travis.yml
index 65a5c06e30d66a9a5d116f3a438b2ed3861fce14..7a1b618147d28ea4a1fc7cb9789f76bc1192bae5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,7 @@ script:
     - make check
 after_script:
     - cd lib
-    - coveralls -E include --gcov-options '\-lp'
+    - coveralls -x ".c" --gcov-options '\-lp'
 sudo: false
 cache:
     directories: