diff --git a/src/common/2d/v_2ddrawer.cpp b/src/common/2d/v_2ddrawer.cpp
index 665ea3d8ca..59765daa7a 100644
--- a/src/common/2d/v_2ddrawer.cpp
+++ b/src/common/2d/v_2ddrawer.cpp
@@ -37,6 +37,7 @@
 #include "vm.h"
 #include "c_cvars.h"
 #include "v_draw.h"
+#include "v_video.h"
 #include "fcolormap.h"
 
 static F2DDrawer drawer;
@@ -752,6 +753,13 @@ void F2DDrawer::AddFlatFill(int left, int top, int right, int bottom, FGameTextu
 		fV1 = float(right - left) / (float)src->GetDisplayHeight() * fs;
 		break;
 
+	case -1: // classic flat scaling
+		float ar = 4.f / 3.f / (float)ActiveRatio((float)screen->GetWidth(), (float)screen->GetHeight());
+		fU1 = 0.f;
+		fV1 = 0.f;
+		fU2 = 320.f / 64.f * fs / ar;
+		fV2 = 200.f / 64.f * fs;
+		break;
 	}
 	dg.mVertIndex = (int)mVertices.Reserve(4);
 	auto ptr = &mVertices[dg.mVertIndex];
diff --git a/src/intermission/intermission.cpp b/src/intermission/intermission.cpp
index f2d1609f2d..0e03cef95a 100644
--- a/src/intermission/intermission.cpp
+++ b/src/intermission/intermission.cpp
@@ -73,6 +73,8 @@ extern int		NoWipe;
 CVAR(Bool, nointerscrollabort, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
 CVAR(Bool, inter_subtitles, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
 
+CVAR(Bool, inter_classic_scaling, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
+
 //==========================================================================
 //
 // This also gets used by the title loop.
@@ -221,7 +223,7 @@ void DIntermissionScreen::Drawer ()
 		}
 		else
 		{
-			twod->AddFlatFill(0,0, twod->GetWidth(), twod->GetHeight(), TexMan.GetGameTexture(mBackground));
+			twod->AddFlatFill(0,0, twod->GetWidth(), twod->GetHeight(), TexMan.GetGameTexture(mBackground), (inter_classic_scaling ? -1 : 0));
 		}
 	}
 	else