diff --git a/.travis.yml b/.travis.yml
index c98ef33..15000a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ matrix:
 
 before_install:
   - eval "${MATRIX_EVAL}"
-  - echo ${QTDIR}
+  - ls -l /usr/include/x86_64-linux-gnu/qt5
   - qmake -v
 
 script: