1 files changed, 1 insertions, 0 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c
index 2f652e7..fc3722c 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -2613,6 +2613,7 @@ FlushChannel(
 	     */
 
 	    DiscardOutputQueued(statePtr);
+	    ReleaseChannelBuffer(bufPtr);
 	    continue;
 	} else {
 	    wroteSome = 1;