1 files changed, 5 insertions, 2 deletions
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
index 8e441f9c..baee02bd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
@@ -261,5 +261,8 @@ def __get_tex_from_socket(blender_shader_socket: bpy.types.NodeSocket, export_se
 def __is_blender_image_a_jpeg(image: bpy.types.Image) -> bool:
     if image.source != 'FILE':
         return False
-    path = image.filepath_raw.lower()
-    return path.endswith('.jpg') or path.endswith('.jpeg') or path.endswith('.jpe')
+    if image.filepath_raw == '' and image.packed_file:
+        return image.packed_file.data[:3] == b'\xff\xd8\xff'
+    else:
+        path = image.filepath_raw.lower()
+        return path.endswith('.jpg') or path.endswith('.jpeg') or path.endswith('.jpe')