diff --git a/modules/septima-lang/src/runtime.ts b/modules/septima-lang/src/runtime.ts
index 359ba9ef..2131d6d5 100644
--- a/modules/septima-lang/src/runtime.ts
+++ b/modules/septima-lang/src/runtime.ts
@@ -99,7 +99,7 @@ export class Runtime {
     })
 
     const parse = Value.foreign(o => JSON.parse(o.toString()))
-    const hash = Value.foreign(o => crypto.createHash('sha224').update(JSON.stringify(o.unwrap())).digest('hex'))
+    const hash224 = Value.foreign(o => crypto.createHash('sha224').update(JSON.stringify(o.unwrap())).digest('hex'))
 
     let lib = new SymbolFrame('Object', { destination: Value.obj({ keys, entries, fromEntries }) }, empty, 'INTERNAL')
     lib = new SymbolFrame('String', { destination: Value.foreign(o => Value.str(o.toString())) }, lib, 'INTERNAL')
@@ -108,7 +108,7 @@ export class Runtime {
     lib = new SymbolFrame('Array', { destination: Value.obj({ isArray }) }, lib, 'INTERNAL')
     lib = new SymbolFrame('console', { destination: Value.obj({ log }) }, lib, 'INTERNAL')
     lib = new SymbolFrame('JSON', { destination: Value.obj({ parse }) }, lib, 'INTERNAL')
-    lib = new SymbolFrame('crypto', { destination: Value.obj({ hash }) }, lib, 'INTERNAL')
+    lib = new SymbolFrame('crypto', { destination: Value.obj({ hash224 }) }, lib, 'INTERNAL')
 
     if (generateTheArgsObject) {
       lib = new SymbolFrame('args', { destination: Value.from(this.args) }, lib, 'INTERNAL')
diff --git a/modules/septima-lang/tests/septima.spec.ts b/modules/septima-lang/tests/septima.spec.ts
index 74c6397d..fe33d60f 100644
--- a/modules/septima-lang/tests/septima.spec.ts
+++ b/modules/septima-lang/tests/septima.spec.ts
@@ -1018,7 +1018,7 @@ describe('septima', () => {
   describe('hash', () => {
     test('foo', () => {
       const hashOf = (u: unknown) => crypto.createHash('sha224').update(JSON.stringify(u)).digest('hex')
-      expect(run(`crypto.hash('A')`)).toEqual(hashOf('A'))
+      expect(run(`crypto.hash224('A')`)).toEqual(hashOf('A'))
     })
   })
   test.todo('sort') // expect(run(`[4, 10, 9, 256, 5, 300, 2, 70].sort()`)).toEqual('--')