diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 82cfbb67..80a48f63 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,6 +13,7 @@ build:
     script:
         - git submodule sync
         - git submodule update --init --recursive
+        - rm -rf build
         - mkdir -p build
         - cd build
         - qmake ../DRAMSys/DRAMSys.pro
@@ -22,4 +23,4 @@ example_ddr3:
     stage: simple-runs
     script:
         - cd build/simulator
-        - ./DRAMSys
\ No newline at end of file
+        - ./DRAMSys