diff --git a/cvat/apps/engine/media_extractors.py b/cvat/apps/engine/media_extractors.py
index 0e37154db771..447e1d73a1e3 100644
--- a/cvat/apps/engine/media_extractors.py
+++ b/cvat/apps/engine/media_extractors.py
@@ -651,12 +651,14 @@ class ZipChunkWriter(IChunkWriter):
 
     def _write_pcd_file(self, image):
         image_buf = open(image, "rb") if isinstance(image, str) else image
-        properties = ValidateDimension.get_pcd_properties(image_buf)
-        w, h = int(properties["WIDTH"]), int(properties["HEIGHT"])
-        extension = self.POINT_CLOUD_EXT
-        image_buf.seek(0, 0)
-        image_buf = io.BytesIO(image_buf.read())
-        return image_buf, extension, w, h
+        try:
+            properties = ValidateDimension.get_pcd_properties(image_buf)
+            w, h = int(properties["WIDTH"]), int(properties["HEIGHT"])
+            image_buf.seek(0, 0)
+            return io.BytesIO(image_buf.read()), self.POINT_CLOUD_EXT, w, h
+        finally:
+            if isinstance(image, str):
+                image_buf.close()
 
     def save_as_chunk(self, images, chunk_path):
         with zipfile.ZipFile(chunk_path, 'x') as zip_chunk: