diff --git a/server_config/server_install.sh b/server_config/server_install.sh
index 0166b7d..7355ea5 100644
--- a/server_config/server_install.sh
+++ b/server_config/server_install.sh
@@ -21,8 +21,8 @@ sudo chown $USER /space
 cd /space
 git clone https://github.com/gmetais/YellowLabTools.git --branch master
 cd YellowLabTools
-npm install
-bower install --config.interactive=false --allow-root
+npm install || exit 1
+bower install --config.interactive=false --allow-root || exit 1
 
 # Front-end compilation
 grunt build
diff --git a/server_config/server_update.sh b/server_config/server_update.sh
index 2519d61..0da2289 100755
--- a/server_config/server_update.sh
+++ b/server_config/server_update.sh
@@ -12,9 +12,9 @@ git stash pop
 
 # In case something was added in package.json or bower.json
 rm -rf node_modules
-npm install
+npm install || exit 1
 rm -rf bower_components
-bower install --config.interactive=false --allow-root
+bower install --config.interactive=false --allow-root || exit 1
 
 # Front-end compilation
 rm -rf front/build