diff --git a/pkg/middleware/util.go b/pkg/middleware/util.go
index babda94d5e7..c392f215450 100644
--- a/pkg/middleware/util.go
+++ b/pkg/middleware/util.go
@@ -17,6 +17,10 @@ func Gziper() macaron.Handler {
 			return
 		}
 
+		if strings.HasPrefix(requestPath, "/api/plugin-proxy/") {
+			return
+		}
+
 		ctx.Invoke(macaronGziper)
 	}
 }