diff --git a/interface/src/ModelUploader.cpp b/interface/src/ModelUploader.cpp
index 604ded8b06..d33f994e4f 100644
--- a/interface/src/ModelUploader.cpp
+++ b/interface/src/ModelUploader.cpp
@@ -127,6 +127,7 @@ bool ModelUploader::zip() {
         }
     } else {
         fst = new QTemporaryFile(this);
+        fst->open(QFile::WriteOnly);
         fbxFile = filename;
         basePath = QFileInfo(filename).path();
         mapping.insert(FILENAME_FIELD, QFileInfo(filename).fileName());