diff --git a/spec/core/matchers/toHaveBeenCalledBeforeSpec.js b/spec/core/matchers/toHaveBeenCalledBeforeSpec.js
index 2a3b602d..256ed1d2 100644
--- a/spec/core/matchers/toHaveBeenCalledBeforeSpec.js
+++ b/spec/core/matchers/toHaveBeenCalledBeforeSpec.js
@@ -50,10 +50,40 @@ describe("toHaveBeenCalledBefore", function() {
 
     result = matcher.compare(firstSpy, secondSpy);
     expect(result.pass).toBe(false);
-    expect(result.message).toEqual('Expected first spy to have been called before second spy');
+    expect(result.message).toEqual('Expected spy first spy to have been called before spy second spy');
   });
 
-  it("passes when first spy is called before second spy", function() {
+	it("fails when the actual is called before and after the expected", function() {
+    var matcher = jasmineUnderTest.matchers.toHaveBeenCalledBefore(),
+        firstSpy = jasmineUnderTest.createSpy('first spy'),
+        secondSpy = jasmineUnderTest.createSpy('second spy'),
+        result;
+
+    firstSpy();
+    secondSpy();
+    firstSpy();
+
+    result = matcher.compare(firstSpy, secondSpy);
+    expect(result.pass).toBe(false);
+    expect(result.message).toEqual('Expected latest call to spy first spy to have been called before first call to spy second spy (no interleaved calls)');
+  });
+
+	it("fails when the expected is called before and after the actual", function() {
+    var matcher = jasmineUnderTest.matchers.toHaveBeenCalledBefore(),
+        firstSpy = jasmineUnderTest.createSpy('first spy'),
+        secondSpy = jasmineUnderTest.createSpy('second spy'),
+        result;
+
+    secondSpy();
+    firstSpy();
+    secondSpy();
+
+    result = matcher.compare(firstSpy, secondSpy);
+    expect(result.pass).toBe(false);
+    expect(result.message).toEqual('Expected first call to spy second spy to have been called after latest call to spy first spy (no interleaved calls)');
+  });
+
+  it("passes when the actual is called before the expected", function() {
     var matcher = jasmineUnderTest.matchers.toHaveBeenCalledBefore(),
         firstSpy = jasmineUnderTest.createSpy('first spy'),
         secondSpy = jasmineUnderTest.createSpy('second spy'),
@@ -64,6 +94,6 @@ describe("toHaveBeenCalledBefore", function() {
 
     result = matcher.compare(firstSpy, secondSpy);
     expect(result.pass).toBe(true);
-    expect(result.message).toEqual('Expected first spy to not have been called before second spy, but it was');
+    expect(result.message).toEqual('Expected spy first spy to not have been called before spy second spy, but it was');
   });
 });
diff --git a/src/core/matchers/toHaveBeenCalledBefore.js b/src/core/matchers/toHaveBeenCalledBefore.js
index 57634162..b54973f1 100644
--- a/src/core/matchers/toHaveBeenCalledBefore.js
+++ b/src/core/matchers/toHaveBeenCalledBefore.js
@@ -23,12 +23,24 @@ getJasmineRequireObj().toHaveBeenCalledBefore = function(j$) {
           return result;
         }
 
-        result.pass = firstSpy.calls.mostRecent().invocationOrder < latterSpy.calls.mostRecent().invocationOrder;
+        var latest1stSpyCall = firstSpy.calls.mostRecent().invocationOrder;
+        var first2ndSpyCall = latterSpy.calls.first().invocationOrder;
+
+        result.pass = latest1stSpyCall < first2ndSpyCall;
 
         if (result.pass) {
-          result.message = 'Expected ' + firstSpy.and.identity() + ' to not have been called before ' + latterSpy.and.identity() + ', but it was';
+          result.message = 'Expected spy ' + firstSpy.and.identity() + ' to not have been called before spy ' + latterSpy.and.identity() + ', but it was';
         } else {
-          result.message = 'Expected ' + firstSpy.and.identity() + ' to have been called before ' + latterSpy.and.identity();
+          var first1stSpyCall = firstSpy.calls.first().invocationOrder;
+          var latest2ndSpyCall = latterSpy.calls.mostRecent().invocationOrder;
+
+          if(first1stSpyCall < first2ndSpyCall) {
+            result.message = 'Expected latest call to spy ' + firstSpy.and.identity() + ' to have been called before first call to spy ' + latterSpy.and.identity() + ' (no interleaved calls)';
+          } else if (latest2ndSpyCall > latest1stSpyCall) {
+            result.message = 'Expected first call to spy ' + latterSpy.and.identity() + ' to have been called after latest call to spy ' + firstSpy.and.identity() + ' (no interleaved calls)';
+          } else {
+            result.message = 'Expected spy ' + firstSpy.and.identity() + ' to have been called before spy ' + latterSpy.and.identity();
+          }
         }
 
         return result;