diff --git a/.travis.yml b/.travis.yml
index ca43be04a..b49df53e2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,6 +42,8 @@ matrix:
           branch_pattern: coverity_scan
 
 before_install:
+    # When the build on this branch gets triggered by travis-cron, do a coverty scan.
+    - if [ "$TRAVIS_EVENT_TYPE" = "cron" ] ; then export COVERITY_SCAN_BRANCH=1 ; fi
     - source ${TRAVIS_BUILD_DIR}/scripts/${SUBSURFACE_PLATFORM}/before_install.sh
 
 script: