diff --git a/tests/webtbs/tw3197.pp b/tests/webtbs/tw3197.pp
new file mode 100644
index 0000000000..f88645449c
--- /dev/null
+++ b/tests/webtbs/tw3197.pp
@@ -0,0 +1,40 @@
+{ Source provided for Free Pascal Bug Report 3197 }
+{ Submitted by "Martin Schreiber" on  2004-07-03 }
+{ e-mail:  }
+{$ifdef fpc}{$mode objfpc}{$H+}{$endif}
+
+uses
+  Classes, SysUtils;
+
+type
+ ttestclass = class
+  public
+   teststring: ansistring;
+   procedure test(const astring: ansistring);
+ end;
+
+{ ttestclass }
+
+procedure ttestclass.test(const astring: ansistring);
+begin
+ teststring:= astring;
+end;
+
+
+var
+ testclass: ttestclass;
+begin
+ testclass:= ttestclass.create;
+ testclass.teststring:= 'abc';
+ testclass.teststring:= testclass.teststring + '123'; //refcount 1
+ testclass.test(testclass.teststring);
+ if testclass.teststring = 'abc123' then begin
+  writeln('ok');
+ end
+ else begin
+  writeln('error');
+  halt(1);
+ end;
+ testclass.free;
+end.
+