diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 72ebf87..11cb6f5 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -215,7 +215,7 @@
 cd googletest-* && \
 mkdir build && \
 cd build && \
-cmake ${CMAKE_FLAGS[@]} -DBUILD_GTEST=ON -DBUILD_GMOCK=ON .. && \
+cmake ${CMAKE_FLAGS[@]} -DTHREADS_PREFER_PTHREAD_FLAG=ON -DBUILD_GTEST=ON -DBUILD_GMOCK=ON .. && \
 make -j$(nproc) && \
 make install