diff --git a/Logger.cpp b/Logger.cpp
index 3f7443990..6c92ca407 100644
--- a/Logger.cpp
+++ b/Logger.cpp
@@ -104,9 +104,9 @@ namespace Logger
         // Add attributes: LineID, TimeStamp, ProcessID, ThreadID, and Uptime
         auto core = logging::core::get ();
         core->add_global_attribute ("LineID", attrs::counter<unsigned int> (1));
-        core->add_global_attribute("TimeStamp", attrs::utc_clock ());
-        core->add_global_attribute("ProcessID", attrs::current_process_id ());
-        core->add_global_attribute("ThreadID", attrs::current_thread_id ());
+        core->add_global_attribute ("TimeStamp", attrs::utc_clock ());
+        core->add_global_attribute ("ProcessID", attrs::current_process_id ());
+        core->add_global_attribute ("ThreadID", attrs::current_thread_id ());
         core->add_global_attribute ("Uptime", attrs::timer ());
 
         // Allows %Severity% to be used in ini config file for property Filter.