diff --git a/.docker/scripts/lint-theme b/.docker/scripts/lint-theme
index 481fed80c..2e8d2c679 100644
--- a/.docker/scripts/lint-theme
+++ b/.docker/scripts/lint-theme
@@ -1,11 +1,12 @@
 #!/usr/bin/env bash
 # Code linting for SaaS project.
+set -e
 
 APP_DIR=${APP_DIR:-/app}
 PROFILE_DIR=${PROFILE_DIR:-${APP_DIR}/web}
 
 # Lint code.
-${APP_DIR}/tests/vendor/bin/parallel-lint --exclude /app/tests/vendor -e php,inc,module,theme,install,profile,test ${PROFILE_DIR}/themes/custom
+${APP_DIR}/tests/vendor/bin/parallel-lint --exclude /app/tests/vendor --exclude ${PROFILE_DIR}/themes/custom/*/node_modules -e php,inc,module,theme,install,profile,test ${PROFILE_DIR}/themes/custom
 
 # Check code standards.
 ${APP_DIR}/tests/vendor/bin/phpcs --standard=${APP_DIR}/tests/phpcs.xml ${PROFILE_DIR}/themes/custom
diff --git a/tests/phpcs.xml b/tests/phpcs.xml
index 9e926065b..49ad5d5ca 100755
--- a/tests/phpcs.xml
+++ b/tests/phpcs.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
-<ruleset name="vahiscv">
-  <description>PHPCS Standard for a GoVCMS8 website, based on Drupal standards.
+<ruleset name="govcms8">
+  <description>PHPCS Standard for a GovCMS8 website, based on Drupal standards.
   </description>
 
   <rule ref="Drupal"/>
@@ -24,6 +24,9 @@
   <exclude-pattern>*library*\.js</exclude-pattern>
   <exclude-pattern>*libraries*\.js</exclude-pattern>
 
+  <!-- Exclude node_modules directory. -->
+  <exclude-pattern>web/themes/custom/*/node_modules/*</exclude-pattern>
+
   <!-- Exclude all features-generated files. -->
   <exclude-pattern>*\.bean\.*</exclude-pattern>
   <exclude-pattern>*\.context\.*</exclude-pattern>