diff --git a/ci_cd/problem2.yml b/ci_cd/problem2.yml
index 1590356e2b0a4ac93b0a07b00990a131a56e9a40..1dd176b34bffe4bbfdbff96d3570d27b91f4b17e 100644
--- a/ci_cd/problem2.yml
+++ b/ci_cd/problem2.yml
@@ -22,6 +22,7 @@ compile_problem_2:
     - job: prebuild_problem_2
       artifacts: true
   script:
+    - mkdir -p hw4/tests/impl
     - cp include/MyBloom.h hw4/tests/include/
     # don't fail if MyBloom.cpp does not exist
     - |
diff --git a/ci_cd/problem3.yml b/ci_cd/problem3.yml
index 152030e09bef8943a65499b3a87483a1bf158b2a..9f6092d1d920ce01c7bd1bbb36dbeffe63f9119b 100644
--- a/ci_cd/problem3.yml
+++ b/ci_cd/problem3.yml
@@ -21,6 +21,7 @@ compile_problem_3:
     - job: prebuild_problem_3
       artifacts: true
   script:
+    - mkdir -p hw4/tests/impl
     - cp impl/MiningHash.cpp hw4/tests/impl/
     - cd hw4/tests
     - make problem3