diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cbf6dc9..8982dc9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -40,7 +40,7 @@ images_build:
     WPR_IMAGE_TAG: wpr-self-test:latest
     BADSSL_IMAGE_TAG: badssl-self-test:latest
   script:
-    - makedir build
+    - mkdir build
     - docker build -t $UNITTEST_IMAGE_TAG -f ./unittest_python/Dockerfile ./unittest_python/
     - docker save $UNITTEST_IMAGE_TAG > build/unittest.tar
     - docker build -t $WPR_IMAGE_TAG -f ./wpr_golang/Dockerfile ./wpr_golang/