diff --git a/test/issues/#73.ts b/test/issues/#73.ts
new file mode 100644
index 0000000..f480731
--- /dev/null
+++ b/test/issues/#73.ts
@@ -0,0 +1,59 @@
+import * as Iridium from "../../iridium";
+import * as chai from "chai";
+
+interface TestDocument {
+    _id?: string;
+    metadata: any;
+}
+
+@Iridium.Collection("test")
+@Iridium.Transform(doc => {
+    if (doc.metadata && typeof doc.metadata === "string")
+        doc.metadata = JSON.parse(doc.metadata);
+    return doc;
+}, doc => {
+    if (doc.metadata && typeof doc.metadata === "object")
+        doc.metadata = JSON.stringify(doc.metadata);
+    return doc
+})
+class Test extends Iridium.Instance<TestDocument, Test> implements TestDocument {
+    @Iridium.ObjectID
+    _id: string;
+
+    @Iridium.Property(true)
+    metadata: any;
+}
+
+describe.only("issues", () => {
+    let core = new Iridium.Core({ database: "test" });
+    before(() => core.connect());
+    after(() => core.close());
+
+    describe("#73", () => {
+        let model = new Iridium.Model<TestDocument, Test>(core, Test);
+        beforeEach(() => model.remove());
+        beforeEach(() => model.insert([
+            { metadata: { test: 1 } },
+            { metadata: { test: 2 } },
+            { metadata: { test: 3 } },
+        ]));
+
+        it("should persist metadata as a string", () => {
+            return model.collection.find({}).toArray().then(docs => {
+                return chai.expect(docs.map(c => c.metadata)).to.eql([
+                    "{\"test\":1}",
+                    "{\"test\":2}",
+                    "{\"test\":3}"
+                ]);
+            });
+        });
+        
+        it("map should apply document transforms", () => {
+            return chai.expect(model.find().map(c => c.metadata)).to.eventually.eql([
+                { test: 1 },
+                { test: 2 },
+                { test: 3 },
+            ]);
+        });
+    });
+});
\ No newline at end of file
diff --git a/test/mocha.opts b/test/mocha.opts
index 28718b6..44d4a28 100644
--- a/test/mocha.opts
+++ b/test/mocha.opts
@@ -1,2 +1,3 @@
 --require dist/test/support/chai
---timeout 10s
\ No newline at end of file
+--timeout 10s
+--recursive
\ No newline at end of file