diff --git a/src/util/scoped_timer.cpp b/src/util/scoped_timer.cpp
index 825b251c9..3991abd36 100644
--- a/src/util/scoped_timer.cpp
+++ b/src/util/scoped_timer.cpp
@@ -98,7 +98,7 @@ struct scoped_timer::imp {
         int e = pthread_cond_timedwait(&st->m_condition_var, &st->m_mutex, &st->m_end_time);
         if (e != 0 && e != ETIMEDOUT)
             throw default_exception("failed to start timed wait");
-        st->m_eh->operator()();
+        st->m_eh->operator()(TIMEOUT_EH_CALLER);
 
         pthread_mutex_unlock(&st->m_mutex);
 
@@ -133,7 +133,7 @@ struct scoped_timer::imp {
         pthread_mutex_unlock(&st->m_mutex);
 
         if (e == ETIMEDOUT)
-            st->m_eh->operator()();
+            st->m_eh->operator()(TIMEOUT_EH_CALLER);
         return 0;
     }
 #else