1 files changed, 1 insertions, 1 deletions
diff --git a/obj_map.c b/obj_map.c
index a1731955..0f66b138 100644
--- a/obj_map.c
+++ b/obj_map.c
@@ -24,7 +24,7 @@
 /* Consider pointers that are offset bytes displaced from the beginning */
 /* of an object to be valid.                                            */
 
-void GC_register_displacement(size_t offset)
+GC_API void GC_register_displacement(size_t offset)
 {
     DCL_LOCK_STATE;