diff --git a/.gitattributes b/.gitattributes
index 2ddcb29bf9..3cf279e3d4 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -15629,6 +15629,7 @@ tests/webtbs/tw3197.pp svneol=native#text/plain
 tests/webtbs/tw3207.pp svneol=native#text/plain
 tests/webtbs/tw3210.pp svneol=native#text/plain
 tests/webtbs/tw32111.pp svneol=native#text/pascal
+tests/webtbs/tw32118.pp svneol=native#text/pascal
 tests/webtbs/tw3212.pp svneol=native#text/plain
 tests/webtbs/tw3214.pp svneol=native#text/plain
 tests/webtbs/tw3216.pp svneol=native#text/plain
diff --git a/compiler/defutil.pas b/compiler/defutil.pas
index 7b2aa6c394..8ca8fc0598 100644
--- a/compiler/defutil.pas
+++ b/compiler/defutil.pas
@@ -1071,6 +1071,11 @@ implementation
               l:=int64(tarraydef(def).lowrange);
               h:=int64(tarraydef(def).highrange);
             end;
+          undefineddef:
+            begin
+              l:=torddef(sizesinttype).low;
+              h:=torddef(sizesinttype).high;
+            end;
           else
             internalerror(200611054);
         end;
diff --git a/tests/webtbs/tw32118.pp b/tests/webtbs/tw32118.pp
new file mode 100644
index 0000000000..cf681ae548
--- /dev/null
+++ b/tests/webtbs/tw32118.pp
@@ -0,0 +1,18 @@
+{ %NORUN }
+
+program tw32118;
+{$MODE OBJFPC}
+type
+  generic TTestClass<SomeTemplate> = class
+    procedure Test;
+  end;
+
+procedure TTestClass.Test;
+var
+  i : SomeTemplate;
+begin
+  for i := 1 to 10 do WriteLn(i);
+end;
+
+begin
+end.