diff --git a/libc/test/src/search/lfind_test.cpp b/libc/test/src/search/lfind_test.cpp
index 00384f7eec14e..21f810a8a3acc 100644
--- a/libc/test/src/search/lfind_test.cpp
+++ b/libc/test/src/search/lfind_test.cpp
@@ -9,10 +9,14 @@
 #include "src/search/lfind.h"
 #include "test/UnitTest/Test.h"
 
+namespace {
+
 int compar(const void *a, const void *b) {
   return *reinterpret_cast<const int *>(a) != *reinterpret_cast<const int *>(b);
 }
 
+} // namespace
+
 TEST(LlvmLibcLfindTest, SearchHead) {
   int list[3] = {1, 2, 3};
   size_t len = 3;