diff --git a/trains/backend_interface/metrics/interface.py b/trains/backend_interface/metrics/interface.py
index 5448101a..9c53de7e 100644
--- a/trains/backend_interface/metrics/interface.py
+++ b/trains/backend_interface/metrics/interface.py
@@ -222,14 +222,14 @@ class Metrics(InterfaceBase):
 
         if file_pool:
             try:
-                file_pool.close()
+                file_pool.terminate()
                 file_pool.join()
             except:
                 pass
 
         if pool:
             try:
-                pool.close()
+                pool.terminate()
                 pool.join()
             except:
                 pass