diff --git a/src/routes/options.go b/src/routes/options.go
index 1bafa59..9d91e64 100644
--- a/src/routes/options.go
+++ b/src/routes/options.go
@@ -3,6 +3,7 @@ package routes
 import (
 	"anonymousoverflow/config"
 	"fmt"
+	"os"
 
 	"github.com/gin-gonic/gin"
 )
@@ -17,9 +18,14 @@ func ChangeOptions(c *gin.Context) {
 			text = "enabled"
 		}
 		c.SetCookie("disable_images", fmt.Sprintf("%t", !c.MustGet("disable_images").(bool)), 60*60*24*365*10, "/", "", false, true)
+		theme := os.Getenv("THEME")
+		if theme == "" {
+			theme = "auto"
+		}
 		c.HTML(200, "home.html", gin.H{
 			"successMessage": "Images are now " + text,
 			"version":        config.Version,
+			"theme":          theme,
 		})
 	default:
 		c.String(400, "400 Bad Request")