diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b0e8c51..af5e9ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,6 +24,7 @@ build:
   - git submodule sync --recursive
   - git submodule update --init --recursive
   script:
+  - if [ -d build ]; then rm -rf build; fi
   - mkdir -p build
   - cd build
   - qmake $PRO_FILE
@@ -37,6 +38,7 @@ test:
   tags:
     - shell
   script:
+  - if [ -d build ]; then rm -rf build; fi
   - mkdir -p build
   - cd build
   - qmake $PRO_FILE
@@ -48,6 +50,7 @@ valgrind:
   tags:
     - shell
   script:
+  - if [ -d build ]; then rm -rf build; fi
   - mkdir -p build
   - cd build
   - qmake $PRO_FILE