diff --git a/scripts/run-tests b/scripts/run-tests
index 11e4f0679a..89973f73ff 100755
--- a/scripts/run-tests
+++ b/scripts/run-tests
@@ -20,5 +20,5 @@ if [[ "$OSTYPE" == "cygwin" || "$OSTYPE" == "msys" ]]; then
     ./tests --gtest_output=xml:../artifacts/test-results.xml "$@"
 else
     echo -e "\033[0;36mRunning OpenRCT2 tests...\033[0m"
-    ctest --output-on-failure --output-junit ../artifacts/test-results.xml "$@"
+    ctest -j 2 --output-on-failure --output-junit ../artifacts/test-results.xml "$@"
 fi