diff --git a/sleepyhead/sleepyhead.pro b/sleepyhead/sleepyhead.pro
index 65f4bc78..ab8a0255 100644
--- a/sleepyhead/sleepyhead.pro
+++ b/sleepyhead/sleepyhead.pro
@@ -31,7 +31,7 @@ QT += opengl
 #ResMed summary data design is SHIT... SleepyHead *MUST* follow ResMed's idiocy.
 DEFINES += LOCK_RESMED_SESSIONS
 
-#CONFIG += c++11
+CONFIG += c++11
 CONFIG += rtti
 
 #static {