diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 15428ddc4e5224e2a6b5730ebc47d475313c9bc4..1479e889dbdc03c72deb49d8706b6c6da4d272b0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ test:
   script:
   - apt-get update -qy
   - apt-get install -y build-essential
-  - mkdir -b build
+  - mkdir -p build
   - ./mp arch=posix app=ledblink loop=1 timer_s=1
   - ./mp arch=posix app=sysinfo
   - ./mpm arch=posix app=donothing