diff --git a/ffplayout.py b/ffplayout.py
index 9cfe14b4..8dd0150f 100755
--- a/ffplayout.py
+++ b/ffplayout.py
@@ -1433,7 +1433,7 @@ def main():
 
                     while True:
                         buf = decoder.stdout.read(65424)
-                        if not buf:
+                        if not buf and decoder.poll() is not None:
                             break
                         encoder.stdin.write(buf)