diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb335c1f1..f929ee11d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,7 +65,7 @@ if( MSVC )
 	set( ALL_C_FLAGS "/GF /Gy /GR- /fp:fast" )
 	
 	# Avoid CRT DLL dependancies in release builds
-	set( REL_C_FLAGS "/MT" )
+	set( REL_C_FLAGS "/MT /Oi" )
 
 	# Debug allocations in debug builds
 	set( DEB_C_FLAGS "/D _CRTDBG_MAP_ALLOC" )