diff --git a/src/bin/e_alert_main.c b/src/bin/e_alert_main.c
index cbb27f0c3..77e2af7d4 100644
--- a/src/bin/e_alert_main.c
+++ b/src/bin/e_alert_main.c
@@ -20,7 +20,7 @@
 #define WINDOW_HEIGHT 240
 
 #ifndef XCB_ATOM_NONE
-# define XCB_ATOM_NONE = 0
+# define XCB_ATOM_NONE 0
 #endif
 
 /* local function prototypes */