diff --git a/src/libCom/osi/os/RTEMS/osdTime.cpp b/src/libCom/osi/os/RTEMS/osdTime.cpp
index 118ea71f4..136e87aa3 100644
--- a/src/libCom/osi/os/RTEMS/osdTime.cpp
+++ b/src/libCom/osi/os/RTEMS/osdTime.cpp
@@ -115,4 +115,5 @@ int epicsTime_localtime ( const time_t *clock, struct tm *result )
     }
 }
 
-}
+} /* extern "C" */
+