diff --git a/lib/waterline/core/typecast.js b/lib/waterline/core/typecast.js
index a90bdebda..55b6bf9ea 100644
--- a/lib/waterline/core/typecast.js
+++ b/lib/waterline/core/typecast.js
@@ -178,7 +178,7 @@ Cast.prototype.boolean = function boolean(value) {
   if (_.isString(value)) {
     if (value === 'true') return true;
     if (value === 'false') return false;
-    return false;
+    return value;
   }
 
   // Nicely cast [0, 1] to true and false
@@ -191,9 +191,7 @@ Cast.prototype.boolean = function boolean(value) {
   if (parsed === 0) return false;
   if (parsed === 1) return true;
 
-  if (value === true || value === false) return value;
-
-  return false;
+  return value;
 };
 
 /**
diff --git a/test/unit/core/core.cast/cast.boolean.js b/test/unit/core/core.cast/cast.boolean.js
index 43a470711..5170909ad 100644
--- a/test/unit/core/core.cast/cast.boolean.js
+++ b/test/unit/core/core.cast/cast.boolean.js
@@ -42,9 +42,9 @@ describe('Core Type Casting', function() {
       assert(values.name === false);
     });
 
-    it('should default to false', function() {
+    it('should not cast bad values', function() {
       var values = person._cast.run({ name: 'foo' });
-      assert(values.name === false);
+      assert(values.name === 'foo');
     });
 
     it('should cast integer 0 to a boolean', function() {