diff --git a/src/gl/stereo3d/gl_stereo_cvars.cpp b/src/gl/stereo3d/gl_stereo_cvars.cpp
index fc170d324..64a5b1b2e 100644
--- a/src/gl/stereo3d/gl_stereo_cvars.cpp
+++ b/src/gl/stereo3d/gl_stereo_cvars.cpp
@@ -33,20 +33,14 @@
 #include "gl/stereo3d/gl_interleaved3d.h"
 #include "version.h"
 
+EXTERN_CVAR(Bool, vr_enable_quadbuffered)
+
 // Set up 3D-specific console variables:
 CVAR(Int, vr_mode, 0, CVAR_GLOBALCONFIG)
 
 // switch left and right eye views
 CVAR(Bool, vr_swap_eyes, false, CVAR_GLOBALCONFIG)
 
-// For broadest GL compatibility, require user to explicitly enable quad-buffered stereo mode.
-// Setting vr_enable_quadbuffered_stereo does not automatically invoke quad-buffered stereo,
-// but makes it possible for subsequent "vr_mode 7" to invoke quad-buffered stereo
-CUSTOM_CVAR(Bool, vr_enable_quadbuffered, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
-{
-	Printf("You must restart " GAMENAME " to switch quad stereo mode\n");
-}
-
 // intraocular distance in meters
 CVAR(Float, vr_ipd, 0.062f, CVAR_ARCHIVE|CVAR_GLOBALCONFIG) // METERS
 
diff --git a/src/win32/win32gliface.cpp b/src/win32/win32gliface.cpp
index 76e6756da..c9589c263 100644
--- a/src/win32/win32gliface.cpp
+++ b/src/win32/win32gliface.cpp
@@ -75,7 +75,14 @@ CUSTOM_CVAR(Bool, gl_debug, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINI
 	Printf("This won't take effect until " GAMENAME " is restarted.\n");
 }
 
-EXTERN_CVAR(Bool, vr_enable_quadbuffered)
+// For broadest GL compatibility, require user to explicitly enable quad-buffered stereo mode.
+// Setting vr_enable_quadbuffered_stereo does not automatically invoke quad-buffered stereo,
+// but makes it possible for subsequent "vr_mode 7" to invoke quad-buffered stereo
+CUSTOM_CVAR(Bool, vr_enable_quadbuffered, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
+{
+	Printf("You must restart " GAMENAME " to switch quad stereo mode\n");
+}
+
 EXTERN_CVAR(Int, vid_refreshrate)
 EXTERN_CVAR(Int, vid_defwidth)
 EXTERN_CVAR(Int, vid_defheight)