diff --git a/nchan.c b/nchan.c
index db38de6..5ed64f8 100644
--- a/nchan.c
+++ b/nchan.c
@@ -411,8 +411,8 @@
 	    c->extended_usage == CHAN_EXTENDED_WRITE &&
 	    c->efd != -1 &&
 	    buffer_len(&c->extended) > 0) {
-                debug2("channel %d: active efd: %d len %d",
-                    c->self, c->efd, buffer_len(&c->extended));
+		debug2("channel %d: active efd: %d len %d",
+		    c->self, c->efd, buffer_len(&c->extended));
 		return 0;
 	}
 	if (!(c->flags & CHAN_CLOSE_SENT)) {