diff --git a/ci/coveralls.sh b/ci/coveralls.sh
index a6c5f05..0d0387b 100755
--- a/ci/coveralls.sh
+++ b/ci/coveralls.sh
@@ -10,4 +10,4 @@ ls -l
 
 gcov *.o
 cd ..
-coveralls --exclude ci --no-gcov
+coveralls --exclude ci --exclude src/optparse.c -no-gcov