diff --git a/whalesong/compiler/kernel-primitives.rkt b/whalesong/compiler/kernel-primitives.rkt
index da48335..7bc81ac 100644
--- a/whalesong/compiler/kernel-primitives.rkt
+++ b/whalesong/compiler/kernel-primitives.rkt
@@ -209,6 +209,9 @@
 
                                     'unsafe-car
                                     'unsafe-cdr
+
+                                    'abort-current-continuation
+                                    'call-with-continuation-prompt
                                     ))
 (define-predicate KernelPrimitiveName? KernelPrimitiveName)
 
@@ -354,4 +357,4 @@
      (list 'vector 'number)]
 
     [(eq? prim 'vector-set!)
-     (list 'vector 'number 'any)]))
\ No newline at end of file
+     (list 'vector 'number 'any)]))
diff --git a/whalesong/js-assembler/package.rkt b/whalesong/js-assembler/package.rkt
index db52ccd..a4c564f 100644
--- a/whalesong/js-assembler/package.rkt
+++ b/whalesong/js-assembler/package.rkt
@@ -692,7 +692,7 @@ var invokeMainModule = function() {
                 window.console.log('evaluation took ' + (stopTime - startTime) + ' milliseconds');
             }
         },
-        function(M, e) {
+        function(e) {
             var contMarkSet, context, i, appName, contextDiv, srclocProcedure;
 
             var displayContext = function() {
diff --git a/whalesong/js-assembler/runtime-src/baselib-primitives.js b/whalesong/js-assembler/runtime-src/baselib-primitives.js
index fa1f740..f9728b3 100644
--- a/whalesong/js-assembler/runtime-src/baselib-primitives.js
+++ b/whalesong/js-assembler/runtime-src/baselib-primitives.js
@@ -3215,7 +3215,7 @@
             if (M.a >= 2) {
                 promptTag = checkPromptTag(M, 'call-with-continuation-prompt', 1);
             } else {
-                promptTag = DEFAULT_CONTINUATION_PROMPT_TAG;
+                promptTag = baselib.contmarks.DEFAULT_CONTINUATION_PROMPT_TAG;
             }
             if (M.a >= 3) {
                 if (M.e[M.e.length - 1 - 3] === false) {
@@ -3224,7 +3224,7 @@
                     handler = checkProcedure(M, 'call-with-continuation-prompt', 2);
                 }
             } else {
-                if (promptTag === DEFAULT_CONTINUATION_PROMPT_TAG) {
+                if (promptTag === baselib.contmarks.DEFAULT_CONTINUATION_PROMPT_TAG) {
                     handler = defaultPromptHandler;
                 } else {
                     handler = makeDefaultPromptHandler(promptTag);
diff --git a/whalesong/js-assembler/runtime-src/runtime.js b/whalesong/js-assembler/runtime-src/runtime.js
index 7526ab8..f2838ce 100644
--- a/whalesong/js-assembler/runtime-src/runtime.js
+++ b/whalesong/js-assembler/runtime-src/runtime.js
@@ -356,8 +356,8 @@
                                                  fail(err);
                                              });
             },
-            function() {
-                fail();
+            function(err) {
+                fail(err);
             });
     };