diff --git a/glib/gpoll.c b/glib/gpoll.c
index 49bf7233d..940abae38 100644
--- a/glib/gpoll.c
+++ b/glib/gpoll.c
@@ -34,6 +34,7 @@
 
 #include "config.h"
 #include "glibconfig.h"
+#include "giochannel.h"
 
 /* Uncomment the next line (and the corresponding line in gmain.c) to
  * enable debugging printouts if the environment variable