diff --git a/dune b/dune
index 92b2123c9..55cdae53f 100644
--- a/dune
+++ b/dune
@@ -19,5 +19,9 @@
   string_interpolation))
 
 (melange.emit
- (target emotion-hash-js)
- (libraries emotion_hash))
+ (target hash-dist-js)
+ (libraries emotion_hash)
+ (module_systems
+  (es6 es6.js)
+  (commonjs cjs.js))
+ (runtime_deps packages/emotion-hash/package.json))
diff --git a/packages/emotion-hash/_test/original.js b/packages/emotion-hash/_test/original.js
index 2bf5229bb..b98e8533e 100644
--- a/packages/emotion-hash/_test/original.js
+++ b/packages/emotion-hash/_test/original.js
@@ -56,7 +56,6 @@ function murmur2(str) {
         (h & 0xffff) * 0x5bd1e995 + (((h >>> 16) * 0xe995) << 16)
   }
 
-
   // Do a few final mixes of the hash to ensure the last few
   // bytes are well-incorporated.
 
diff --git a/packages/emotion-hash/package.json b/packages/emotion-hash/package.json
new file mode 100644
index 000000000..6aebfe6c4
--- /dev/null
+++ b/packages/emotion-hash/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "styled-ppx-emotion-hash-js",
+  "main": "../../node_modules/styled-ppx.emotion-hash/hash.es6.js"
+}