diff --git a/scripts/node/install.sh b/scripts/node/install.sh
index e90f9adb2..9711ad359 100755
--- a/scripts/node/install.sh
+++ b/scripts/node/install.sh
@@ -13,7 +13,7 @@ if [ ${TRAVIS_OS_NAME} == "linux" ]; then
     mason install mesa 10.4.3
 fi
 
-. ~/.nvm/nvm.sh
+source ~/.nvm/nvm.sh
 
 mapbox_time $NODE_VERSION \
 nvm install $NODE_VERSION
diff --git a/scripts/node/run.sh b/scripts/node/run.sh
index 8e543fecf..5e11ab751 100755
--- a/scripts/node/run.sh
+++ b/scripts/node/run.sh
@@ -11,7 +11,7 @@ BUILDTYPE=${BUILDTYPE:-Release}
 # Build
 ################################################################################
 
-. ~/.nvm/nvm.sh
+source ~/.nvm/nvm.sh
 nvm use $NODE_VERSION
 
 mapbox_time "checkout_styles" \