diff --git a/src/FBX2glTF.cpp b/src/FBX2glTF.cpp
index e65c310..7c8948d 100644
--- a/src/FBX2glTF.cpp
+++ b/src/FBX2glTF.cpp
@@ -292,14 +292,24 @@ int main(int argc, char* argv[]) {
 
   // the path of the actual .glb or .gltf file
   std::string modelPath;
+  const auto& suffix = FileUtils::GetFileSuffix(outputPath);
+
+  // Assume binary output if extension is glb
+  if (suffix.has_value() && suffix.value() == "glb") {
+    gltfOptions.outputBinary = true;
+  }
+
   if (gltfOptions.outputBinary) {
-    const auto& suffix = FileUtils::GetFileSuffix(outputPath);
     // add .glb to output path, unless it already ends in exactly that
     if (suffix.has_value() && suffix.value() == "glb") {
       modelPath = outputPath;
     } else {
       modelPath = outputPath + ".glb";
     }
+    // if the extension is gltf set the output folder to the parent directory
+  } else if (suffix.has_value() && suffix.value() == "gltf") {
+    outputFolder = FileUtils::getFolder(outputPath) + "/";
+    modelPath = outputPath;
   } else {
     // in gltf mode, we create a folder and write into that
     outputFolder = fmt::format("{}_out/", outputPath.c_str());