diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a55f37a3c368cb0a6dfc996c23c9935cedf014ce..3907f17b9a53f20f2c7f8541a5d2f267d19d81ff 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,8 +22,8 @@
 build_.git:
   <<: *box_build_job
   variables:
-    BOX: .git
-    PREFIX: henrietta/
+    BOX: ".git"
+    PREFIX: "henrietta/"
   only:
     - master
     - /^.git\-(.*)$/
diff --git a/make.py b/make.py
index b2936e1d57a7da406e06fd1d07d2025ebcf9a1c6..255d07300595665b250a916e1175b2cecb63b38c 100644
--- a/make.py
+++ b/make.py
@@ -37,8 +37,8 @@ if __name__ == '__main__':
 build_%s:
   <<: *box_build_job
   variables:
-    BOX: %s
-    PREFIX: henrietta/
+    BOX: "%s"
+    PREFIX: "henrietta/"
   only:
     - master
     - /^%s\-(.*)$/