diff --git a/src/win32/hardware.cpp b/src/win32/hardware.cpp
index d9de96566..e67d11842 100644
--- a/src/win32/hardware.cpp
+++ b/src/win32/hardware.cpp
@@ -75,7 +75,7 @@ bool changerenderer;
 // Software OpenGL canvas
 CUSTOM_CVAR(Bool, vid_used3d, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
 {
-	if (self != currentcanvas)
+	if ((self ? 1 : 0) != currentcanvas)
 		Printf("You must restart " GAMENAME " for this change to take effect.\n");
 }