diff --git a/.circleci/config.yml b/.circleci/config.yml
index aa19b3401..b97c7d20a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -278,7 +278,8 @@ jobs:
     <<: *config
     steps:
       - *attach_workspace
-      - run: ./$BOOST_DIR/libs/geometry/.circleci/run_test.sh cs_undefined test/cs_undefined
+      # 1 test at a time to decrease memory consumption causing gcc internal error
+      - run: ./$BOOST_DIR/libs/geometry/.circleci/run_test.sh cs_undefined test/cs_undefined 1
       - persist_to_workspace:
           root: ~/project
           paths: