diff --git a/install/data/constant_format.tpl b/install/data/constant_format.tpl
index 430e6a18..942588b7 100644
--- a/install/data/constant_format.tpl
+++ b/install/data/constant_format.tpl
@@ -16,6 +16,7 @@
 //////////////////////////////////
 // (E_ALL ^ E_NOTICE) = enabled
 // (0) = disabled
+define("ERROR_REPORT","%ERRORREPORT%");
 %ERROR%
 
 //////////////////////////////////