diff --git a/.travis.yml b/.travis.yml
index 6d80ba20e..be317aeee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -51,22 +51,22 @@ matrix:
       dist: trusty
     - compiler: gcc
       os: linux
-      env: SWIGLANG=javascript ENGINE=node VER=4
+      env: SWIGLANG=javascript ENGINE=node VER=4 CPP11=1
       sudo: required
       dist: trusty
     - compiler: gcc
       os: linux
-      env: SWIGLANG=javascript ENGINE=node VER=6
+      env: SWIGLANG=javascript ENGINE=node VER=6 CPP11=1
       sudo: required
       dist: trusty
     - compiler: gcc
       os: linux
-      env: SWIGLANG=javascript ENGINE=node VER=8
+      env: SWIGLANG=javascript ENGINE=node VER=8 CPP11=1
       sudo: required
       dist: trusty
     - compiler: gcc
       os: linux
-      env: SWIGLANG=javascript ENGINE=node VER=10
+      env: SWIGLANG=javascript ENGINE=node VER=10 CPP11=1
       sudo: required
       dist: trusty
     - compiler: gcc
diff --git a/Tools/travis-linux-install.sh b/Tools/travis-linux-install.sh
index cec76d812..82e5d62bb 100755
--- a/Tools/travis-linux-install.sh
+++ b/Tools/travis-linux-install.sh
@@ -37,8 +37,9 @@ case "$SWIGLANG" in
 	"javascript")
 		case "$ENGINE" in
 			"node")
-				curl -sL https://deb.nodesource.com/setup_${VER}.x | sudo -E bash -
+				travis_retry curl -sL https://deb.nodesource.com/setup_${VER}.x | sudo -E bash -
 				travis_retry sudo apt-get install -y nodejs
+				travis_retry npm install -g node-gyp
 				;;
 			"jsc")
 				travis_retry sudo apt-get install -qq libwebkitgtk-dev