diff --git a/spec/core/MatchersSpec.js b/spec/core/MatchersSpec.js
index ceaafc01..0326b68f 100644
--- a/spec/core/MatchersSpec.js
+++ b/spec/core/MatchersSpec.js
@@ -914,6 +914,47 @@ describe("jasmine.Matchers", function() {
     });
   });
 
+  describe("Matchers.Any", function () {
+    var any;
+    describe(".jasmineToString", function () {
+      describe("with Object", function () {
+        it ("says it's looking for an object", function () {
+          any = jasmine.any(Object);
+          expect(any.jasmineToString()).toMatch(/<jasmine\.any\(function Object.*\)>/);
+        });
+      });
+
+      describe("with Function", function () {
+        it ("says it's looking for a function", function () {
+          any = jasmine.any(Function);
+          expect(any.jasmineToString()).toMatch(/<jasmine\.any\(function Function.*\)>/);
+        });
+      });
+
+      describe("with String", function () {
+        it ("says it's looking for a string", function () {
+          any = jasmine.any(String);
+          expect(any.jasmineToString()).toMatch(/<jasmine\.any\(function String.*\)>/);
+        });
+      });
+
+      describe("with Number", function () {
+        it ("says it's looking for a number", function () {
+          any = jasmine.any(Number);
+          expect(any.jasmineToString()).toMatch(/<jasmine\.any\(function Number.*\)>/);
+        });
+      });
+
+      describe("with some other defined 'class'", function () {
+        it ("says it's looking for an object", function () {
+          function MyClass () {}
+          any = jasmine.any(MyClass);
+          expect(any.jasmineToString()).toMatch(/<jasmine\.any\(function MyClass.*\)>/);
+        });
+      });
+    });
+  });
+
   describe("all matchers", function() {
     it("should return null, for future-proofing, since we might eventually allow matcher chaining", function() {
       expect(match(true).toBe(true)).toBeUndefined();
diff --git a/spec/core/PrettyPrintSpec.js b/spec/core/PrettyPrintSpec.js
index 2faea310..becf8a61 100644
--- a/spec/core/PrettyPrintSpec.js
+++ b/spec/core/PrettyPrintSpec.js
@@ -83,12 +83,12 @@ describe("jasmine.pp", function () {
     expect(jasmine.pp(jasmine.createSpy("something"))).toEqual("spy on something");
   });
 
-  it("calls toString for ObjectContaining objects", function () {
-    var containing = new jasmine.Matchers.ObjectContaining({});
-    spyOn(containing, "toString").andReturn("stringified!");
+  it("should stringify objects that implement jasmineToString", function () {
+    var obj = {
+      jasmineToString: function () { return "strung"; }
+    };
 
-    expect(jasmine.pp(containing)).toEqual("stringified!");
-    expect(containing.toString).toHaveBeenCalled();
+    expect(jasmine.pp(obj)).toEqual("strung");
   });
 });
 
diff --git a/src/core/Matchers.js b/src/core/Matchers.js
index ddcc6600..e2072021 100644
--- a/src/core/Matchers.js
+++ b/src/core/Matchers.js
@@ -365,7 +365,7 @@ jasmine.Matchers.Any.prototype.matches = function(other) {
   return other instanceof this.expectedClass;
 };
 
-jasmine.Matchers.Any.prototype.toString = function() {
+jasmine.Matchers.Any.prototype.jasmineToString = function() {
   return '<jasmine.any(' + this.expectedClass + ')>';
 };
 
diff --git a/src/core/PrettyPrinter.js b/src/core/PrettyPrinter.js
index d44bb24d..c7845107 100644
--- a/src/core/PrettyPrinter.js
+++ b/src/core/PrettyPrinter.js
@@ -23,10 +23,8 @@ jasmine.PrettyPrinter.prototype.format = function(value) {
       this.emitScalar('null');
     } else if (value === jasmine.getGlobal()) {
       this.emitScalar('<global>');
-    } else if (value instanceof jasmine.Matchers.Any) {
-      this.emitScalar(value.toString());
-    } else if (value instanceof jasmine.Matchers.ObjectContaining) {
-      this.emitScalar(value.toString());
+    } else if (value.hasOwnProperty("jasmineToString")) {
+      this.emitScalar(value.jasmineToString());
     } else if (typeof value === 'string') {
       this.emitString(value);
     } else if (jasmine.isSpy(value)) {