diff --git a/indra/llcommon/lleventcoro.h b/indra/llcommon/lleventcoro.h
index a42af63b650fdb6b697ea53a1ac93e28ec5184aa..f55b74ac7e4056403ebbbbf2755f402f1cd5ad15 100755
--- a/indra/llcommon/lleventcoro.h
+++ b/indra/llcommon/lleventcoro.h
@@ -102,6 +102,9 @@ LLVoidListener<LISTENER> voidlistener(const LISTENER& listener)
 
 namespace LLEventDetail
 {
+    /// Implementation for listenerNameForCoro(), see below
+    LL_COMMON_API std::string listenerNameForCoroImpl(const void* self_id);
+
     /**
      * waitForEventOn() permits a coroutine to temporarily listen on an
      * LLEventPump any number of times. We don't really want to have to ask
@@ -129,9 +132,6 @@ namespace LLEventDetail
         return listenerNameForCoroImpl(self.get_id());
     }
 
-    /// Implementation for listenerNameForCoro()
-    LL_COMMON_API std::string listenerNameForCoroImpl(const void* self_id);
-
     /**
      * Implement behavior described for postAndWait()'s @a replyPumpNamePath
      * parameter: