diff --git a/deno2/deno.cc b/deno2/deno.cc
index baf5e96a5c..67b74bd636 100644
--- a/deno2/deno.cc
+++ b/deno2/deno.cc
@@ -214,15 +214,15 @@ v8::StartupData MakeSnapshot(v8::StartupData* prev_natives_blob,
     auto print_tmpl = v8::FunctionTemplate::New(isolate, Print);
     auto print_val = print_tmpl->GetFunction(context).ToLocalChecked();
     CHECK(
-        global->Set(context, deno::v8_str("deno_print"), print_val).FromJust());
+        global->Set(context, deno::v8_str("denoPrint"), print_val).FromJust());
 
     auto sub_tmpl = v8::FunctionTemplate::New(isolate, Sub);
     auto sub_val = sub_tmpl->GetFunction(context).ToLocalChecked();
-    CHECK(global->Set(context, deno::v8_str("deno_sub"), sub_val).FromJust());
+    CHECK(global->Set(context, deno::v8_str("denoSub"), sub_val).FromJust());
 
     auto pub_tmpl = v8::FunctionTemplate::New(isolate, Pub);
     auto pub_val = pub_tmpl->GetFunction(context).ToLocalChecked();
-    CHECK(global->Set(context, deno::v8_str("deno_pub"), pub_val).FromJust());
+    CHECK(global->Set(context, deno::v8_str("denoPub"), pub_val).FromJust());
 
     bool r = Execute(context, js_filename, js_source);
     assert(r);
diff --git a/deno2/js/main.ts b/deno2/js/main.ts
index 95bf8cd5ee..0a098dd41a 100644
--- a/deno2/js/main.ts
+++ b/deno2/js/main.ts
@@ -1,6 +1,6 @@
 const globalEval = eval;
 const window = globalEval("this");
 window["denoMain"] = () => {
-  deno_print("Hello world from foo");
+  denoPrint("Hello world from foo");
   return "foo";
 };
diff --git a/deno2/js/mock_runtime.js b/deno2/js/mock_runtime.js
index 081b72c4b8..5702ed592e 100644
--- a/deno2/js/mock_runtime.js
+++ b/deno2/js/mock_runtime.js
@@ -11,19 +11,19 @@ function typedArrayToArrayBuffer(ta) {
 }
 
 function CanCallFunction() {
-  deno_print("Hello world from foo");
+  denoPrint("Hello world from foo");
   return "foo";
 }
 
 function PubSuccess() {
-  deno_sub((channel, msg) => {
+  denoSub((channel, msg) => {
     assert(channel === "PubSuccess");
-    deno_print("PubSuccess: ok");
+    denoPrint("PubSuccess: ok");
   });
 }
 
 function PubByteLength() {
-  deno_sub((channel, msg) => {
+  denoSub((channel, msg) => {
     assert(channel === "PubByteLength");
     assert(msg instanceof ArrayBuffer);
     assert(msg.byteLength === 3);
@@ -33,16 +33,16 @@ function PubByteLength() {
 function SubReturnEmpty() {
   const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
   const ab = typedArrayToArrayBuffer(ui8);
-  let r = deno_pub("SubReturnEmpty", ab);
+  let r = denoPub("SubReturnEmpty", ab);
   assert(r == null);
-  r = deno_pub("SubReturnEmpty", ab);
+  r = denoPub("SubReturnEmpty", ab);
   assert(r == null);
 }
 
 function SubReturnBar() {
   const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
   const ab = typedArrayToArrayBuffer(ui8);
-  const r = deno_pub("SubReturnBar", ab);
+  const r = denoPub("SubReturnBar", ab);
   assert(r instanceof ArrayBuffer);
   assert(r.byteLength === 3);
   const rui8 = new Uint8Array(r);