diff --git a/lib/preferences/init.go b/lib/preferences/init.go
index d80d63a..fa547c7 100644
--- a/lib/preferences/init.go
+++ b/lib/preferences/init.go
@@ -117,7 +117,7 @@ func Load(r *fiber.App) {
 			return err
 		}
 
-		c.Request().Header.SetContentType("text/html")
+		c.Response().Header.SetContentType("text/html")
 		return templates.Base("preferences", templates.Preferences(p), nil).Render(context.Background(), c)
 	})
 
diff --git a/lib/proxy_images/init.go b/lib/proxy_images/init.go
index 77979ae..7e31d31 100644
--- a/lib/proxy_images/init.go
+++ b/lib/proxy_images/init.go
@@ -63,7 +63,7 @@ func Load(r *fiber.App) {
 			return err
 		}
 
-		c.Request().Header.SetContentType("image/jpeg")
+		c.Response().Header.SetContentType("image/jpeg")
 		c.Set("Cache-Control", cfg.ImageCacheControl)
 		//return c.Send(resp.Body())
 		pr := misc.AcquireProxyReader()