diff --git a/Jenkinsfile b/Jenkinsfile
index d1cc1c8..fc10e32 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -66,7 +66,7 @@ pipeline {
                         // Build script
                             catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
                                 sh '''echo "$(date) Do Build for $ImgRelease - $ImgVariant"
-                                ImgVariantName${ImgVariant#Default-} && ImgVariantName${ImgVariantName#Extra-}
+                                ImgVariantName=${ImgVariant#Default-} && ImgVariantName${ImgVariantName#Extra-}
                                 sudo $WORKSPACE/distrobuilder build-lxc Alpine.yaml $WORKSPACE/REL/$ImgRelease-$ImgVariant/ -o image.release=$ImgRelease -o image.variant=$ImgVariantName
                                 sudo chown jenkins:jenkins -R $WORKSPACE/REL
                                 mv $WORKSPACE/REL/$ImgRelease-$ImgVariant/rootfs.tar.xz $ImgVariant-$ImgRelease.tar.xz
diff --git a/Jenkinsfile-Squential b/Jenkinsfile-Squential
index 7567663..7f65b91 100644
--- a/Jenkinsfile-Squential
+++ b/Jenkinsfile-Squential
@@ -48,7 +48,7 @@ pipeline {
                                 stage('Build image') {
                                     catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
                                         sh '''echo "$(date) Do Build for $ImgRelease - $ImgVariant"
-                                        ImgVariantName${ImgVariant#Default-} && ImgVariantName${ImgVariantName#Extra-}
+                                        ImgVariantName=${ImgVariant#Default-} && ImgVariantName${ImgVariantName#Extra-}
                                         sudo $WORKSPACE/distrobuilder build-lxc Alpine.yaml $WORKSPACE/REL/$ImgRelease-$ImgVariant/ -o image.release=$ImgRelease -o image.variant=$ImgVariantName
                                         sudo chown jenkins:jenkins -R $WORKSPACE/REL
                                         mv $WORKSPACE/REL/$ImgRelease-$ImgVariant/rootfs.tar.xz $ImgVariant-$ImgRelease.tar.xz