diff --git a/Quake/common.make b/Quake/common.make
index 8088f3ed..27688dbb 100644
--- a/Quake/common.make
+++ b/Quake/common.make
@@ -19,10 +19,8 @@ CFLAGS += -g
 DO_STRIP=
 else
 DFLAGS += -DNDEBUG
-CFLAGS += -O3 
-ifndef W64DEVKIT
-CFLAGS += -flto=auto
-endif
+CFLAGS += -O3
+CFLAGS += $(call CHECK_GCC,-flto=auto,)
 CFLAGS += $(call CHECK_GCC,-fweb,)
 CFLAGS += $(call CHECK_GCC,-frename-registers,)
 CFLAGS += $(call CHECK_GCC,-fno-asynchronous-unwind-tables,)