diff --git a/src/cdogs/grafx_bg.c b/src/cdogs/grafx_bg.c
index 55e3ee7b0..feceb8ba6 100644
--- a/src/cdogs/grafx_bg.c
+++ b/src/cdogs/grafx_bg.c
@@ -60,15 +60,33 @@ void GrafxMakeRandomBackground(
 	CampaignSettingTerminate(&co->Setting);
 }
 
+static void DrawBackgroundWithRenderer(
+	GraphicsDevice *g, SDL_Renderer *renderer, SDL_Texture *target,
+	SDL_Texture *src, DrawBuffer *buffer,
+	const HSV tint, const struct vec2 pos, GrafxDrawExtra *extra);
+void GrafxDrawBackground(
+	GraphicsDevice *g, DrawBuffer *buffer,
+	const HSV tint, const struct vec2 pos, GrafxDrawExtra *extra)
+{
+	DrawBackgroundWithRenderer(
+		g, g->gameWindow.renderer, g->bkgTgt, g->bkg, buffer, tint, pos, extra);
+	if (g->cachedConfig.SecondWindow)
+	{
+		DrawBackgroundWithRenderer(
+			g, g->secondWindow.renderer, g->bkgTgt2, g->bkg2, buffer, tint, pos,
+			extra);
+	}
+}
 static void DrawBackground(
 	GraphicsDevice *g, SDL_Texture *tTgt, SDL_Texture *t, DrawBuffer *buffer,
 	Map *map, const HSV tint, const struct vec2 pos, GrafxDrawExtra *extra);
-void GrafxDrawBackground(
-	GraphicsDevice *g, DrawBuffer *buffer,
+static void DrawBackgroundWithRenderer(
+	GraphicsDevice *g, SDL_Renderer *renderer, SDL_Texture *target,
+	SDL_Texture *src, DrawBuffer *buffer,
 	const HSV tint, const struct vec2 pos, GrafxDrawExtra *extra)
 {
 	SDL_RendererInfo ri;
-	if (SDL_GetRendererInfo(g->gameWindow.renderer, &ri) != 0)
+	if (SDL_GetRendererInfo(renderer, &ri) != 0)
 	{
 		LOG(LM_GFX, LL_ERROR, "cannot set render target: %s", SDL_GetError());
 	}
@@ -80,34 +98,12 @@ void GrafxDrawBackground(
 				"renderer does not support render to texture");
 		}
 	}
-	if (SDL_SetRenderTarget(g->gameWindow.renderer, g->bkgTgt) != 0)
+	if (SDL_SetRenderTarget(renderer, target) != 0)
 	{
 		LOG(LM_GFX, LL_ERROR, "cannot set render target: %s", SDL_GetError());
 	}
-	if (g->cachedConfig.SecondWindow)
-	{
-		if (SDL_SetRenderTarget(g->secondWindow.renderer, g->bkgTgt2) != 0)
-		{
-			LOG(LM_GFX, LL_ERROR, "cannot set render target: %s",
-				SDL_GetError());
-		}
-		DrawBackground(
-			g, g->bkgTgt, g->bkg, buffer, &gMap, tint,
-			svec2(pos.x - g->cachedConfig.Res.x / 2, pos.y), extra);
-		DrawBackground(
-			g, g->bkgTgt2, g->bkg2, buffer, &gMap, tint,
-			svec2(pos.x + g->cachedConfig.Res.x / 2, pos.y), extra);
-		if (SDL_SetRenderTarget(g->secondWindow.renderer, NULL) != 0)
-		{
-			LOG(LM_GFX, LL_ERROR, "cannot set render target: %s",
-				SDL_GetError());
-		}
-	}
-	else
-	{
-		DrawBackground(g, g->bkgTgt, g->bkg, buffer, &gMap, tint, pos, extra);
-	}
-	if (SDL_SetRenderTarget(g->gameWindow.renderer, NULL) != 0)
+	DrawBackground(g, target, src, buffer, &gMap, tint, pos, extra);
+	if (SDL_SetRenderTarget(renderer, NULL) != 0)
 	{
 		LOG(LM_GFX, LL_ERROR, "cannot set render target: %s", SDL_GetError());
 	}