diff --git a/Jenkinsfile b/Jenkinsfile
index 69f94df..2a2987c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,8 +9,8 @@ pipeline {
   }
   environment {
     SONAR_SCANNER_VERSION="4.7.0.2747"
-    SONAR_SCANNER_HOME=$HOME/.sonar/sonar-scanner-$SONAR_SCANNER_VERSION-linux
-    PATH=$SONAR_SCANNER_HOME/bin:$PATH
+    SONAR_SCANNER_HOME="$HOME/.sonar/sonar-scanner-$SONAR_SCANNER_VERSION-linux"
+    PATH="$SONAR_SCANNER_HOME/bin:$PATH"
     SONAR_SCANNER_OPTS="-server"
   }
   stages {