diff --git a/src/util.c b/src/util.c
index afea3cb..b68130d 100644
--- a/src/util.c
+++ b/src/util.c
@@ -3,7 +3,7 @@
 
 #include "util.h"
 
-void* _util_safe_container_of_helper(void* ptr, size_t offset) {
+void* util_safe_container_of_helper(void* ptr, size_t offset) {
   if (ptr == NULL)
     return NULL;
   else
diff --git a/src/util.h b/src/util.h
index 3262f78..c7b5b1a 100644
--- a/src/util.h
+++ b/src/util.h
@@ -16,7 +16,7 @@ typedef intptr_t ssize_t;
   ((type*) ((char*) (ptr) -offsetof(type, member)))
 
 #define safe_container_of(ptr, type, member) \
-  ((type*) _util_safe_container_of_helper((ptr), offsetof(type, member)))
+  ((type*) util_safe_container_of_helper((ptr), offsetof(type, member)))
 
 #define unused(v) ((void) (v))
 
@@ -26,6 +26,6 @@ typedef intptr_t ssize_t;
     (unused)) int __static_assert_##__LINE__[(condition) ? 1 : -1];
 #endif
 
-EPOLL_INTERNAL void* _util_safe_container_of_helper(void* ptr, size_t offset);
+EPOLL_INTERNAL void* util_safe_container_of_helper(void* ptr, size_t offset);
 
 #endif /* EPOLL_UTIL_H_ */