diff --git a/Jenkinsfile b/Jenkinsfile
index 7e01dc7..b1010b6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -39,10 +39,10 @@ pipeline {
             }
             steps {
                 sh '''
-                login_url_sub="https://"$(params.USERNAME)":"$(params.PASSWORD)"@"
+                login_url_sub="https://"${params.USERNAME}":"${params.PASSWORD}"@"
                 sub='https;//'
-                echo $(login_url_sub)
-                git clone --recurse-submodules --remote-submodules $($(params.REPOSITORY)/$(sub)/$(login_url_sub)) .
+                echo ${login_url_sub}
+                git clone --recurse-submodules --remote-submodules $(${params.REPOSITORY}/${sub}/${login_url_sub}) .
                 '''
             }
         }
@@ -52,7 +52,7 @@ pipeline {
             }
             steps {
                 sh '''
-                cd $(params.PATH)
+                cd ${params.PATH}
                 make pdf -C HTLLE-DA-Vorlage SOURCEDIR=$(pwd)
                 '''
             }