diff --git a/CHANGELOG b/CHANGELOG
index 07bb563..c580428 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Make sure Enumerable#include doesn't do type comparision.  [Mislav Marohnić]
+
 * Add contextmenu to Event.DOMEvents.  [Thomas Fuchs]
 
 *1.6.0_rc0* (August 15, 2007)
diff --git a/src/array.js b/src/array.js
index 89b6831..db192be 100644
--- a/src/array.js
+++ b/src/array.js
@@ -87,7 +87,7 @@ Object.extend(Array.prototype, {
   
   intersect: function(array) { 
     return this.uniq().findAll(function(item) { 
-      return array.include(item);
+      return array.detect(function(value) { return item === value });
     }); 
   },
   
diff --git a/src/enumerable.js b/src/enumerable.js
index 2b2ae06..50d09d2 100644
--- a/src/enumerable.js
+++ b/src/enumerable.js
@@ -89,11 +89,11 @@ var Enumerable = {
   
   include: function(object) {
     if (Object.isFunction(this.indexOf))
-      return this.indexOf(object) != -1;
+      if (this.indexOf(object) != -1) return true;
 
     var found = false;
     this.each(function(value) {
-      if (value === object) {
+      if (value == object) {
         found = true;
         throw $break;
       }
diff --git a/test/unit/enumerable.html b/test/unit/enumerable.html
index 064f247..982d40c 100644
--- a/test/unit/enumerable.html
+++ b/test/unit/enumerable.html
@@ -199,9 +199,10 @@
     testInclude: function() {with(this) {
       assert(Fixtures.Nicknames.include('sam-'));
       assert(Fixtures.Nicknames.include('noradio'));
-      assert(Fixtures.Nicknames.include('htonl'));
-      assert(Fixtures.Nicknames.include('Ulysses'));
       assert(!Fixtures.Nicknames.include('gmosx'));
+      assert(Fixtures.Basic.include(2));
+      assert(Fixtures.Basic.include('2'));
+      assert(!Fixtures.Basic.include('4'));
     }},
     
     testInGroupsOf: function() { with(this) {