diff --git a/src/bin/e_alert_main.c b/src/bin/e_alert_main.c
index e345fdda2..20f999294 100644
--- a/src/bin/e_alert_main.c
+++ b/src/bin/e_alert_main.c
@@ -12,6 +12,10 @@
 #include <xcb/xcb.h>
 #include <xcb/shape.h>
 
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
 #define WINDOW_WIDTH 320
 #define WINDOW_HEIGHT 240