diff --git a/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html
index ca4d494e5..92228903d 100644
--- a/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html
@@ -29,7 +29,7 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: SIZE / PAGE }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
     testPassed(`Allocating ${SIZE} threw: ${e}`);
     return;
diff --git a/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html
index 7ce95d8e3..284840e5d 100644
--- a/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html
@@ -29,7 +29,7 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: SIZE / PAGE }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
     testPassed(`Allocating ${SIZE} threw: ${e}`);
     return;
diff --git a/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html
index 724a9bfa1..42bfa781a 100644
--- a/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html
@@ -29,7 +29,7 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: SIZE / PAGE }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
     testPassed(`Allocating ${SIZE} threw: ${e}`);
     return;
diff --git a/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html
index 21c65a2c7..844e0881b 100644
--- a/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html
@@ -30,7 +30,7 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: SIZE / PAGE }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
     testPassed(`Allocating ${SIZE} threw: ${e}`);
     return;
diff --git a/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html
index 0f39e2ceb..791cc579b 100644
--- a/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html
@@ -29,7 +29,7 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: SIZE / PAGE }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
     testPassed(`Allocating ${SIZE} threw: ${e}`);
     return;
diff --git a/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html
index 7266e88f4..4af628139 100644
--- a/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html
@@ -29,7 +29,7 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: SIZE / PAGE }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
     testPassed(`Allocating ${SIZE} threw: ${e}`);
     return;