diff --git a/channels.c b/channels.c
index 3ac6901..cca138c 100644
--- a/channels.c
+++ b/channels.c
@@ -707,8 +707,8 @@
 			FD_SET(c->wfd, writeset);
 		} else if (c->ostate == CHAN_OUTPUT_WAIT_DRAIN) {
 			if (CHANNEL_EFD_OUTPUT_ACTIVE(c))
-                               debug2("channel %d: obuf_empty delayed efd %d/(%d)",
-                                   c->self, c->efd, buffer_len(&c->extended));
+			       debug2("channel %d: obuf_empty delayed efd %d/(%d)",
+				   c->self, c->efd, buffer_len(&c->extended));
 			else
 				chan_obuf_empty(c);
 		}
@@ -1641,8 +1641,8 @@
 			 * hack for extended data: delay EOF if EFD still in use.
 			 */
 			if (CHANNEL_EFD_INPUT_ACTIVE(c))
-                               debug2("channel %d: ibuf_empty delayed efd %d/(%d)",
-                                   c->self, c->efd, buffer_len(&c->extended));
+			       debug2("channel %d: ibuf_empty delayed efd %d/(%d)",
+				   c->self, c->efd, buffer_len(&c->extended));
 			else
 				chan_ibuf_empty(c);
 		}