diff --git a/.ci/scripts/linux/docker.sh b/.ci/scripts/linux/docker.sh
index d717c80aca..c8bc56c9a5 100755
--- a/.ci/scripts/linux/docker.sh
+++ b/.ci/scripts/linux/docker.sh
@@ -12,7 +12,7 @@ mkdir build || true && cd build
 cmake .. \
       -DBoost_USE_STATIC_LIBS=ON \
       -DCMAKE_BUILD_TYPE=Release \
-      -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
+      -DCMAKE_CXX_FLAGS="-march=x86-64-v2" \
       -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ \
       -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc \
       -DCMAKE_INSTALL_PREFIX="/usr" \