diff --git a/vinegarUtil/webLRU.go b/vinegarUtil/webLRU.go
index 5382414..362f6d5 100644
--- a/vinegarUtil/webLRU.go
+++ b/vinegarUtil/webLRU.go
@@ -231,6 +231,8 @@ func GuessMimetype(filePath string) string {
 		return "image/png"
 	case "svg":
 		return "image/svg+xml"
+	case "webp":
+		return "image/webp"
 	default:
 		log.Default().Printf("[WARN] '%s' is unrecognized MimeType. Returning as [application/octet-stream]. Please use VinegarServlet.AddMimeType() to define the appropriate response for this file extension.", ext)
 		return "application/octet-stream"