diff --git a/.travis.yml b/.travis.yml
index d3afeb4e2..68cacad00 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -285,11 +285,11 @@ matrix:
       sudo: required
       dist: trusty
     - os: linux
-      env: SWIGLANG=java SWIG_CC=gcc-7 SWIG_CXX=g++-7 CPP17=1
+      env: SWIGLANG=java SWIG_CC=gcc-7 SWIG_CXX=g++-7 CPP14=1
       sudo: required
       dist: trusty
     - os: linux
-      env: SWIGLANG=python SWIG_CC=gcc-7 SWIG_CXX=g++-7 CPP17=1
+      env: SWIGLANG=python SWIG_CC=gcc-7 SWIG_CXX=g++-7 CPP14=1
       sudo: required
       dist: trusty
     - compiler: gcc