diff --git a/include/matx/core/cache.h b/include/matx/core/cache.h
index 40f1aca42..795d441b3 100644
--- a/include/matx/core/cache.h
+++ b/include/matx/core/cache.h
@@ -46,9 +46,13 @@ namespace detail {
 
 using CacheId = uint64_t;
 
+#ifndef DOXYGEN_ONLY
+__attribute__ ((visibility ("default")))
+#endif
 inline cuda::std::atomic<CacheId> CacheIdCounter{0};
 
 template<typename CacheType>
+__attribute__ ((visibility ("default")))
 CacheId GetCacheIdFromType()
 {
   static CacheId id = CacheIdCounter.fetch_add(1);