diff --git a/src/valgrind.c b/src/valgrind.c
index f59efef..8bc9b42 100644
--- a/src/valgrind.c
+++ b/src/valgrind.c
@@ -10,12 +10,12 @@ typedef uint32_t valgrind_stack_id_t;
 
 // Register a stack with Valgrind. start < end. Returns an integer ID that can
 // be used to deregister the stack when it's deallocated.
-valgrind_stack_id_t lwt_stack_register(const void *start, const void *end) {
+valgrind_stack_id_t valgrind_stack_register(const void *start, const void *end) {
   return VALGRIND_STACK_REGISTER(start, end);
 }
 
 // Deregister a stack from Valgrind. Takes the integer ID that was returned
 // on registration.
-void lwt_stack_deregister(valgrind_stack_id_t id) {
+void valgrind_stack_deregister(valgrind_stack_id_t id) {
   VALGRIND_STACK_DEREGISTER(id);
 }
diff --git a/src/valgrind.rs b/src/valgrind.rs
index 8aa71fb..18a45f9 100644
--- a/src/valgrind.rs
+++ b/src/valgrind.rs
@@ -2,8 +2,8 @@
 
 pub type stack_id_t = u32;
 extern "C" {
-  #[link_name = "lwt_stack_register"]
+  #[link_name = "valgrind_stack_register"]
   pub fn stack_register(start: *const u8, end: *const u8) -> stack_id_t;
-  #[link_name = "lwt_stack_deregister"]
+  #[link_name = "valgrind_stack_deregister"]
   pub fn stack_deregister(id: stack_id_t);
 }