diff --git a/Jenkinsfile b/Jenkinsfile
index b43ccb76..a32a7cf0 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -37,7 +37,7 @@ pipeline {
 		stage('Code Cleanliness') {
 			agent any
 			steps {
-				sh 'php ./vendor/bin/phpstan analyse src/ -l max -c phpstan.neon -n --no-ansi --no-progress --error-format=checkstyle | awk '{$1=$1;print}' > build/logs/checkstyle.xml'
+				sh "php ./vendor/bin/phpstan analyse src/ -l max -c phpstan.neon -n --no-ansi --no-progress --error-format=checkstyle | awk '{\$1=\$1;print}' > build/logs/checkstyle.xml"
 				checkstyle 'build/logs/checkstyle.xml'
 			}
 		}