diff --git a/src/win32/hardware.cpp b/src/win32/hardware.cpp
index b7c74fbd0..609f56647 100644
--- a/src/win32/hardware.cpp
+++ b/src/win32/hardware.cpp
@@ -53,6 +53,7 @@ EXTERN_CVAR (Bool, ticker)
 EXTERN_CVAR (Bool, fullscreen)
 EXTERN_CVAR (Bool, swtruecolor)
 EXTERN_CVAR (Float, vid_winscale)
+EXTERN_CVAR (Bool, vid_forceddraw)
 
 CVAR(Int, win_x, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 CVAR(Int, win_y, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)