diff --git a/compiler/kernel-primitives.rkt b/compiler/kernel-primitives.rkt
index d207226..1141792 100644
--- a/compiler/kernel-primitives.rkt
+++ b/compiler/kernel-primitives.rkt
@@ -95,6 +95,8 @@
                                     'make-hasheq
                                     'hash-ref
                                     'hash-set!
+                                    'equal-hash-code
+                                    
                                     ))
 (define-predicate KernelPrimitiveName? KernelPrimitiveName)
 
diff --git a/js-assembler/runtime-src/baselib-bytes.js b/js-assembler/runtime-src/baselib-bytes.js
index a8500c2..3d701c0 100644
--- a/js-assembler/runtime-src/baselib-bytes.js
+++ b/js-assembler/runtime-src/baselib-bytes.js
@@ -63,7 +63,7 @@
     Bytes.prototype.hashCode = function(depth) {
         var i;
         var k = baselib.hashes.getEqualHashCode('Bytes');
-        for (i = 0; i < n; i++) {
+        for (i = 0; i < this.bytes.length; i++) {
             k += this.bytes[i];
             k = baselib.hashes.hashMix(k);
         }
diff --git a/js-assembler/runtime-src/baselib-hashes.js b/js-assembler/runtime-src/baselib-hashes.js
index aa59f33..4ee70ea 100644
--- a/js-assembler/runtime-src/baselib-hashes.js
+++ b/js-assembler/runtime-src/baselib-hashes.js
@@ -199,7 +199,7 @@
             return 1;
         }
 
-        if (typeof (x) === 'object' && typeof (y) === 'object' &&
+        if (typeof(x) === 'object' &&
             typeof(x.hashCode) === 'function') {
             return x.hashCode(depth + 1);
         }
diff --git a/js-assembler/runtime-src/baselib-primitives.js b/js-assembler/runtime-src/baselib-primitives.js
index e9ce002..7cf7019 100644
--- a/js-assembler/runtime-src/baselib-primitives.js
+++ b/js-assembler/runtime-src/baselib-primitives.js
@@ -2591,6 +2591,15 @@
             return hash.containsKey(key);
         });
 
+    installPrimitiveProcedure(
+        'equal-hash-code',
+        1,
+        function(M) {
+            return baselib.hashes.getEqualHashCode(checkAny(M, 'equal-hash-code', 0));
+        });
+
+
+
 
     exports['Primitives'] = Primitives;
     exports['installPrimitiveProcedure'] = installPrimitiveProcedure;
diff --git a/lang/kernel.rkt b/lang/kernel.rkt
index 2e751cd..135d78a 100644
--- a/lang/kernel.rkt
+++ b/lang/kernel.rkt
@@ -155,6 +155,8 @@
          make-hasheq
          hash-ref
          hash-set!
+         equal-hash-code
+         
 
 
          ;; Kernel inlinable
diff --git a/tests/more-tests/hash-code.rkt b/tests/more-tests/hash-code.rkt
index e5b4739..cbb3ed2 100644
--- a/tests/more-tests/hash-code.rkt
+++ b/tests/more-tests/hash-code.rkt
@@ -1,14 +1,51 @@
 #lang planet dyoo/whalesong/base
+(require (planet dyoo/whalesong/lang/private/shared))
 
 ;; boxes
+(equal-hash-code (box 42))
+
 ;; bytes
+(equal-hash-code #"testing")
 ;; chars
+
+(equal-hash-code #\A)
+(equal-hash-code #\B)
 ;; hashes
+
+(equal-hash-code (make-hash '((1 . x)
+                              (2 . y)
+                              (3 . z))))
+(define ht (make-hash))
+(hash-set! ht 'self ht)
+(hash-set! ht 'foo 4)
+(equal-hash-code ht)
+
 ;; keywords
+;
+
 ;; lists
+(equal-hash-code (list 1 2 3 4 5))
+(equal-hash-code (shared ([a (cons 1 b)]
+                          [b (cons 2 a)])
+                         a))
+
+  
 ;; paths
+;
 ;; placeholders
+;;
+
 ;; strings
+(equal-hash-code "Hello world")
+
 ;; structs
+(define-struct thing (name age) #:mutable)
+(equal-hash-code (make-thing "danny" 32))
+(equal-hash-code (shared ([a (make-thing a a)]) a))
+
 ;; symbols
-;; vectors
\ No newline at end of file
+(equal-hash-code 'hello)
+
+;; vectors
+(equal-hash-code #(1 2 3 4 5))
+(equal-hash-code (shared ([v (vector 1 2 v 3 v)]) v))
diff --git a/version.rkt b/version.rkt
index 70734d3..e35c42b 100644
--- a/version.rkt
+++ b/version.rkt
@@ -6,4 +6,4 @@
 
 (provide version)
 (: version String)
-(define version "1.55")
+(define version "1.56")