diff --git a/ConfigureRTL/Main.pas b/ConfigureRTL/Main.pas
index 4bfd0de..56acdf1 100644
--- a/ConfigureRTL/Main.pas
+++ b/ConfigureRTL/Main.pas
@@ -376,6 +376,14 @@ function CreateBuildRTL(const AName,AInstallPath,ACompilerVersion:String):Boolea
    WorkBuffer:='';
    WorkBuffer:=WorkBuffer + '[BuildRTL]' + LineEnd;
    WorkBuffer:=WorkBuffer + 'CompilerVersion=' + ACompilerVersion + LineEnd;
+   {$IFDEF WINDOWS}
+   WorkBuffer:=WorkBuffer + 'CompilerPath=' + AInstallPath + 'fpc\' + ACompilerVersion + LineEnd;
+   WorkBuffer:=WorkBuffer + 'SourcePath=' + AInstallPath + 'fpc\' + ACompilerVersion + '\source' + LineEnd;
+   {$ENDIF}
+   {$IFDEF LINUX}
+   WorkBuffer:=WorkBuffer + 'CompilerPath=' + AInstallPath + 'fpc' + LineEnd;
+   WorkBuffer:=WorkBuffer + 'SourcePath=' + AInstallPath + 'fpc' + '/source' + LineEnd;
+   {$ENDIF}
 
    {Set Size}
    FileStream.Size:=Length(WorkBuffer);