diff --git a/.travis.yml b/.travis.yml
index 35b7e69b..b843d933 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,4 +34,5 @@ install:
     - sudo make install
     - cd ../../
     - rm -rf libsignal-protocol-c
+    - cat /usr/include/gcrypt.h
 script: ./travis-build.sh