--- a/hedgewars/uRenderUtils.pas	Wed Dec 17 19:03:33 2014 +0100
+++ b/hedgewars/uRenderUtils.pas	Wed Dec 17 19:23:57 2014 +0100
@@ -311,6 +311,8 @@
 begin
     m:= Length(s);
 
+    substr:= '';
+
     SetLengthA(substr, m);
 
     // number of chars read