diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5baf2a1656a470782725d64c6230998d20156140..512a4d19087bd66c5c895f3f4c5595190122132c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,7 +25,7 @@ linux:
   script:
     - mkdir build
     - cd build
-    - cmake .. -DWITH_OPTFLOW=TRUE -DBUILD_CALIBRATION=TTRUE
+    - cmake .. -DWITH_OPTFLOW=TRUE -DBUILD_CALIBRATION=TRUE
     - make
     - ctest --output-on-failure