diff --git a/src/gltf/GltfModel.hpp b/src/gltf/GltfModel.hpp
index bd8cf40..0c4f40e 100644
--- a/src/gltf/GltfModel.hpp
+++ b/src/gltf/GltfModel.hpp
@@ -230,6 +230,6 @@ class GltfModel {
   }
   BufferData* buildDefaultBuffer(const GltfOptions& options) {
     return options.outputBinary ? new BufferData(binary)
-                                : new BufferData(FileUtils::GetFileBase(options.inputPath) + extBufferFilename, binary, options.embedResources);
+                                : new BufferData(extBufferFilename, binary, options.embedResources);
   }
 };