diff --git a/src/drc/unit_tests/drcSimpleTests.cc b/src/drc/unit_tests/drcSimpleTests.cc
index 6f5e2ddd6..e8bbcef71 100644
--- a/src/drc/unit_tests/drcSimpleTests.cc
+++ b/src/drc/unit_tests/drcSimpleTests.cc
@@ -1827,3 +1827,45 @@ TEST(112_Waiving)
   compare_text_files (report, au_report);
 }
 
+
+TEST(120_ShapesOfPin)
+{
+  std::string rs = tl::testdata ();
+  rs += "/drc/drcSimpleTests_120.drc";
+
+  //  apart from that it's a variant of 14b ...
+
+  std::string input = tl::testdata ();
+  input += "/drc/drcSimpleTests_120.gds";
+
+  std::string au = tl::testdata ();
+  au += "/drc/drcSimpleTests_au120.gds";
+
+  std::string output = this->tmp_file ("tmp.gds");
+
+  {
+    //  Set some variables
+    lym::Macro config;
+    config.set_text (tl::sprintf (
+        "$drc_test_source = '%s'\n"
+        "$drc_test_target = '%s'\n"
+      , input, output)
+    );
+    config.set_interpreter (lym::Macro::Ruby);
+    EXPECT_EQ (config.run (), 0);
+  }
+
+  lym::Macro drc;
+  drc.load_from (rs);
+  EXPECT_EQ (drc.run (), 0);
+
+  db::Layout layout;
+
+  {
+    tl::InputStream stream (output);
+    db::Reader reader (stream);
+    reader.read (layout);
+  }
+
+  db::compare_layouts (_this, layout, au, db::NoNormalization);
+}
diff --git a/testdata/drc/drcSimpleTests_120.drc b/testdata/drc/drcSimpleTests_120.drc
new file mode 100644
index 000000000..34bc398a1
--- /dev/null
+++ b/testdata/drc/drcSimpleTests_120.drc
@@ -0,0 +1,52 @@
+
+source $drc_test_source
+target $drc_test_target
+
+deep
+
+l1 = input(1, 0)
+l2 = input(2, 0)
+l3 = input(3, 0)
+
+name(l1, "l1")
+name(l2, "l2")
+name(l3, "l3")
+
+connect(l1, l2)
+connect(l2, l3)
+
+netlist 
+
+l1_out = polygons
+l2_out = polygons
+l3_out = polygons
+
+output_layers = {
+  "l1" => l1_out,
+  "l2" => l2_out,
+  "l3" => l3_out
+}
+
+[ "A", "B", "C" ].each do |n|
+
+  net = l2n_data.netlist.circuit_by_name("TOP").net_by_name(n)
+  if net
+  
+    net.each_subcircuit_pin do |pin|
+      shapes = l2n_data.shapes_of_pin(pin)
+      shapes.keys.each do |li|
+        output_layers[l2n_data.layer_name(li)].data.insert(shapes[li])
+      end
+    end
+    
+  end
+
+end
+
+l1.output(1, 0)
+l2.output(2, 0)
+l3.output(3, 0)
+l1_out.output(101, 0)
+l2_out.output(102, 0)
+l3_out.output(103, 0)
+
diff --git a/testdata/drc/drcSimpleTests_120.gds b/testdata/drc/drcSimpleTests_120.gds
new file mode 100644
index 000000000..93675cdcd
Binary files /dev/null and b/testdata/drc/drcSimpleTests_120.gds differ
diff --git a/testdata/drc/drcSimpleTests_au120.gds b/testdata/drc/drcSimpleTests_au120.gds
new file mode 100644
index 000000000..2b853f6a5
Binary files /dev/null and b/testdata/drc/drcSimpleTests_au120.gds differ