diff --git a/src/bin/e_alert_main.c b/src/bin/e_alert_main.c
index 71344bd26..cbb27f0c3 100644
--- a/src/bin/e_alert_main.c
+++ b/src/bin/e_alert_main.c
@@ -19,6 +19,10 @@
 #define WINDOW_WIDTH 320
 #define WINDOW_HEIGHT 240
 
+#ifndef XCB_ATOM_NONE
+# define XCB_ATOM_NONE = 0
+#endif
+
 /* local function prototypes */
 static int _e_alert_connect(void);
 static void _e_alert_create(void);