diff --git a/ci/ctest.sh b/ci/ctest.sh
index 755be0d02ca461518d8063bead3618401b3cb015..a56bad50f72b4e6b5a9d5d4835d42fc8f683ae44 100755
--- a/ci/ctest.sh
+++ b/ci/ctest.sh
@@ -45,7 +45,7 @@ then
     echo "SAMMY make-install step failed"
     exit 1
 fi
-ctest --timeout ${DART_TESTING_TIMEOUT} $VERBOSE_FLAG ${CTEST_BUILD_FLAGS}
+ctest --test-timeout ${DART_TESTING_TIMEOUT} $VERBOSE_FLAG ${CTEST_BUILD_FLAGS}
 
 # If the log files exist, ctest completed but there were failed tests,
 # so we want to move the log files and exit in a failure state.