diff --git a/ffplayout/output/hls.py b/ffplayout/output/hls.py
index 917ed44c..865eb1e7 100644
--- a/ffplayout/output/hls.py
+++ b/ffplayout/output/hls.py
@@ -121,9 +121,9 @@ def output():
 
         # close encoder when nothing is to do anymore
         if ff_proc.encoder.poll() is None:
-            ff_proc.encoder.kill()
+            ff_proc.encoder.terminate()
 
     finally:
         if ff_proc.encoder.poll() is None:
-            ff_proc.encoder.kill()
+            ff_proc.encoder.terminate()
         ff_proc.encoder.wait()