Index: runtime/src/ompt-general.cpp
===================================================================
--- runtime/src/ompt-general.cpp
+++ runtime/src/ompt-general.cpp
@@ -411,9 +411,12 @@
   case event_name:                                                             \
     if (ompt_event_implementation_status(event_name)) {                        \
       ompt_callbacks.ompt_callback(event_name) = (callback_type)callback;      \
-      ompt_enabled.event_name = 1;                                             \
+      ompt_enabled.event_name = (callback != 0);                               \
     }                                                                          \
-    return ompt_event_implementation_status(event_name);
+    if (callback)                                                              \
+      return ompt_event_implementation_status(event_name);                     \
+    else                                                                       \
+      return ompt_set_always;
 
     FOREACH_OMPT_EVENT(ompt_event_macro)