diff --git a/src/gtkdocklet.c b/src/gtkdocklet.c
index 0a55fd5..6a13345 100644
--- a/src/gtkdocklet.c
+++ b/src/gtkdocklet.c
@@ -50,6 +50,8 @@
 
 #include "docklet.h"
 
+#include <libpurple/debug.h>
+
 #ifndef DOCKLET_TOOLTIP_LINE_LIMIT
 #define DOCKLET_TOOLTIP_LINE_LIMIT 5
 #endif