diff --git a/source/import/importergltf.js b/source/import/importergltf.js
index 022a377..bd1533c 100644
--- a/source/import/importergltf.js
+++ b/source/import/importergltf.js
@@ -812,7 +812,7 @@ OV.ImporterGltf = class extends OV.ImporterBase
                 let reader = this.GetReaderFromBufferView (bufferView);
                 if (reader !== null) {
                     let buffer = reader.ReadArrayBuffer (bufferView.byteLength);
-                    textureParams.name = 'Binary_' + textureIndexString + GetTextureFileExtension (gltfImage.mimeType);
+                    textureParams.name = 'Binary_' + textureIndexString + '.' + OV.GetFileExtensionFromMimeType (gltfImage.mimeType);
                     textureParams.url = OV.CreateObjectUrlWithMimeType (buffer, gltfImage.mimeType);
                     textureParams.buffer = buffer;
                 }