diff --git a/search/sublist_search.cpp b/search/sublist_search.cpp
index be69d397c..c7ee46c61 100644
--- a/search/sublist_search.cpp
+++ b/search/sublist_search.cpp
@@ -252,7 +252,7 @@ class TestCases {
  * @brief A test function that runs various checks
  * @returns void
  */
-void test() {
+static void test() {
     TestCases tc;
     tc.runTests();
 }