diff --git a/.travis.yml b/.travis.yml
index 14e4f15..39524fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,6 +21,9 @@ matrix:
         - cd ${TRAVIS_BUILD_DIR}
         - ./tests/tools/lintAllPythonFiles.sh
     - language: markdown
+      before_script:
+        - chmod +x setCustomMDWarnings.sh
+        - chmod +x spellCheckMD.sh
       addons:
         apt:
           packages: