diff --git a/src/pv/transfer.c b/src/pv/transfer.c
index bce91c1..79b79d3 100644
--- a/src/pv/transfer.c
+++ b/src/pv/transfer.c
@@ -911,6 +911,7 @@ static int pv__transfer_write(pvstate_t state, bool *eof_in, bool *eof_out, long
 		*eof_in = true;
 		*eof_out = true;
 		state->flag.pipe_closed = 1;
+		debug("%s", "SIGPIPE received - setting pipe_closed");
 		return 0;
 	}