diff --git a/.travis.yml b/.travis.yml
index 435343a..f0f86dd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,9 @@ addons:
       - libgtk-3-dev
       - freeglut3 
       - freeglut3-dev
+      - libhamlib-dev
 script: 
+    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install hamlib; done
     - bash travis-ci/build_liquiddsp.sh
     - bash travis-ci/build_soapysdr.sh
     - bash travis-ci/build_wxwidgets.sh
diff --git a/travis-ci/build_cubicsdr.sh b/travis-ci/build_cubicsdr.sh
index 8363073..bbdbc2d 100644
--- a/travis-ci/build_cubicsdr.sh
+++ b/travis-ci/build_cubicsdr.sh
@@ -2,6 +2,6 @@
 cd $HOME/build
 mkdir cjcliffe/CubicSDR-build
 cd cjcliffe/CubicSDR-build
-cmake ../CubicSDR -DCMAKE_BUILD_TYPE=Release -DwxWidgets_CONFIG_EXECUTABLE=$HOME/build/wxWidgets/staticlib/bin/wx-config
+cmake ../CubicSDR -DCMAKE_BUILD_TYPE=Release -DwxWidgets_CONFIG_EXECUTABLE=$HOME/build/wxWidgets/staticlib/bin/wx-config -DUSE_HAMLIB=1 -DENABLE_DIGITAL_LAB=1
 make -j2