diff --git a/.travis.yml b/.travis.yml
index 133035949d..414fe2b59d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -355,4 +355,5 @@ jobs:
       install:
         - sudo apt-get install gcc-powerpc64le-linux-gnu libc6-dev-ppc64el-cross
       script:
-        - make ${MAKEOPTS} -C ports/powerpc CROSS_COMPILE=powerpc64le-linux-gnu-
+        - make ${MAKEOPTS} -C ports/powerpc UART=potato
+        - make ${MAKEOPTS} -C ports/powerpc UART=lpc_serial