diff --git a/src/channel.c b/src/channel.c
index f374375b..01c08f77 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -2219,11 +2219,11 @@ channel_close(LIBSSH2_CHANNEL * channel)
     }
 
     if (!channel->local.eof)
-        if (retcode = channel_send_eof(channel))
+        if ((retcode = channel_send_eof(channel)))
             return retcode;
 
     if (!channel->remote.eof)
-        if (retcode = channel_wait_eof(channel))
+        if ((retcode = channel_wait_eof(channel)))
             return retcode;
 
     if (channel->close_state == libssh2_NB_state_idle) {