diff --git a/src/v_draw.cpp b/src/v_draw.cpp
index cc8ceb7f4..37648112f 100644
--- a/src/v_draw.cpp
+++ b/src/v_draw.cpp
@@ -64,8 +64,6 @@
 #include "textures.h"
 #include "vm.h"
 
-EXTERN_CVAR(Int, screenblocks)
-
 CUSTOM_CVAR(Int, uiscale, 0, CVAR_ARCHIVE | CVAR_NOINITCALL)
 {
 	if (self < 0)
@@ -77,7 +75,7 @@ CUSTOM_CVAR(Int, uiscale, 0, CVAR_ARCHIVE | CVAR_NOINITCALL)
 	{
 		StatusBar->CallScreenSizeChanged();
 	}
-	R_SetViewSize(screenblocks);
+	setsizeneeded = true;
 }
 
 int GetUIScale(int altval)