diff --git a/scripts/travis.sh b/scripts/travis.sh
index c90d7df7..7010ad45 100755
--- a/scripts/travis.sh
+++ b/scripts/travis.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+rm -f .coverage
+
 PYCHECK=$(python -c 'import sys; print(sys.version_info < (2, 7))')
 if [ "$PYCHECK" == "True" ]; then
     pip install argparse --use-mirrors