diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d0d4298b8..027a197b0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,8 +17,8 @@ variables:
     -DCITRON_TESTS=OFF
     -DCITRON_USE_LLVM_DEMANGLE=OFF
     -DCMAKE_INSTALL_PREFIX=/usr
-    -DCMAKE_CXX_FLAGS="-march=core2 -mtune=core2 -Wno-error"
-    -DCMAKE_C_FLAGS="-march=core2 -mtune=core2"
+    -DCMAKE_CXX_FLAGS=-march=core2 -mtune=core2 -Wno-error
+    -DCMAKE_C_FLAGS=-march=core2 -mtune=core2
     -DUSE_DISCORD_PRESENCE=OFF
     -DBUNDLE_SPEEX=ON
     -DCMAKE_SYSTEM_PROCESSOR=x86_64