diff --git a/Makefile b/Makefile
index 667ee95..f35d9ea 100644
--- a/Makefile
+++ b/Makefile
@@ -10,11 +10,11 @@ WASM_OUT_ESM = dist/wasm/internal/blake3_wasm.mjs
 define wasm-compile-cjs =
 emcc -O3 -msimd128 -msse4.1 $^ -o $@ \
 	-sEXPORTED_FUNCTIONS=_malloc,_free -sEXPORTED_RUNTIME_METHODS=ccall \
-	-Iblake3-src/c -sMODULARIZE -s 'EXPORT_NAME="createBlake3"' \
+	-Iblake3-src/c -sMODULARIZE=1 -s 'EXPORT_NAME="createBlake3"' \
 	-sASSERTIONS=0 \
 	-sALLOW_MEMORY_GROWTH=0 \
 	-flto \
-	-sENVIRONMENT=shell,node \
+	-sENVIRONMENT=web,webview,worker,node,shell \
   -Os \
 	-DNDEBUG \
 	-DIS_WASM -DBLAKE3_NO_AVX512 -DBLAKE3_NO_SSE2 -DBLAKE3_NO_AVX2 \
@@ -24,11 +24,11 @@ endef
 define wasm-compile-esm =
 emcc -O3 -msimd128 -msse4.1 $^ -o $@ \
 	-sEXPORTED_FUNCTIONS=_malloc,_free -sEXPORTED_RUNTIME_METHODS=ccall \
-	-Iblake3-src/c -sMODULARIZE -s 'EXPORT_NAME="createBlake3"' \
+	-Iblake3-src/c -sMODULARIZE=1 -s 'EXPORT_NAME="createBlake3"' \
 	-sASSERTIONS=0 \
 	-sALLOW_MEMORY_GROWTH=0 \
 	-flto \
-	-sENVIRONMENT=shell,node \
+	-sENVIRONMENT=web,webview,worker,node,shell \
   -Os \
 	-DNDEBUG \
 	-DIS_WASM -DBLAKE3_NO_AVX512 -DBLAKE3_NO_SSE2 -DBLAKE3_NO_AVX2 \
diff --git a/package.json b/package.json
index e664baa..0462ef5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tracsystems/blake3",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "scripts": {
     "build": "make",
     "clean": "make clean",
@@ -8,7 +8,7 @@
     "test": "mocha \"test/**/*.test.js\""
   },
   "main": "dist/wasm/blake3.js",
-  "browser": "dist/wasm/blake3.js",
+  "browser": "dist/wasm/blake3.mjs",
   "module": "dist/wasm/blake3.mjs",
   "files": [
     "dist/"
diff --git a/src/index.mjs b/src/index.mjs
index af7b6f9..b1d0107 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -1,4 +1,4 @@
-import createBlake3 from './internal/blake3_wasm'
+import createBlake3 from './internal/blake3_wasm.mjs'
 
 const DEFAULT_LENGTH = 32
 let wasm
@@ -13,14 +13,14 @@ export const blake3 = async (bytes, hashLength = DEFAULT_LENGTH) => {
   const wasm = await getWasm()
   const inputAddr = wasm._malloc(bytes.length)
 
-  wasm.HEAPU8.set(bytes, ptr)
+  wasm.HEAPU8.set(bytes, inputAddr)
   const outputAddr = wasm._malloc(hashLength)
 
   wasm.ccall(
     'hash',
     null,
     ['number', 'number', 'number', 'number'],
-    [ptr, bytes.length, outputAddr, hashLength],
+    [inputAddr, bytes.length, outputAddr, hashLength],
   )
 
   const res = wasm.HEAPU8.subarray(outputAddr, outputAddr + hashLength)