diff --git a/ide/redirect_stderr.pas b/ide/redirect_stderr.pas
index 08365a687d..0393249367 100644
--- a/ide/redirect_stderr.pas
+++ b/ide/redirect_stderr.pas
@@ -24,6 +24,7 @@
 unit redirect_stderr;
 
 {$mode objfpc}{$H+}
+{$I ide.inc}
 
 interface