diff --git a/package-lock.json b/package-lock.json
index a1ec8b22..31062541 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "scale-workshop",
-  "version": "3.0.0-beta.29",
+  "version": "3.0.0-beta.30",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "scale-workshop",
-      "version": "3.0.0-beta.29",
+      "version": "3.0.0-beta.30",
       "dependencies": {
         "isomorphic-qwerty": "^0.0.2",
         "ji-lattice": "^0.0.3",
diff --git a/package.json b/package.json
index a0920983..40eb8e46 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "scale-workshop",
-  "version": "3.0.0-beta.29",
+  "version": "3.0.0-beta.30",
   "scripts": {
     "dev": "vite",
     "build": "run-p type-check \"build-only {@}\" --",
diff --git a/src/stores/__tests__/scale.spec.ts b/src/stores/__tests__/scale.spec.ts
index 661e1a53..14aac5ae 100644
--- a/src/stores/__tests__/scale.spec.ts
+++ b/src/stores/__tests__/scale.spec.ts
@@ -4,7 +4,7 @@ import { useScaleStore } from '../scale'
 import { Scale } from '../../scale'
 import { Interval } from 'sonic-weave'
 
-const SERIALIZED = String.raw`{"scale":{"type":"ScaleWorkshopScale","intervalRatios":[1.148698354997035,1.3195079107728942,1.515716566510398,1.7411011265922482,2],"baseFrequency":261.6255653005987,"baseMidiNote":60,"title":""},"relativeIntervals":[{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[1,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":1,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[2,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":2,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[3,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":3,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[4,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":4,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[1,1],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":5,"d":5,"p":null,"q":null},"t":[]}],"name":"","baseMidiNote":60,"userBaseFrequency":261.63,"autoFrequency":true,"autoColors":"silver","sourceText":"tet(5)","colors":["silver","silver","silver","silver","gray"],"labels":["1\\5","2\\5","3\\5","4\\5","5\\5"],"error":"","warning":"","isomorphicVertical":5,"isomorphicHorizontal":1,"keyboardMode":"isomorphic","equaveShift":0,"degreeShift":0,"pianoMode":"Asdf","accidentalColor":"black","lowAccidentalColor":"maroon","middleAccidentalColor":"navy","highAccidentalColor":"indigo"}`
+const SERIALIZED = String.raw`{"scale":{"type":"ScaleWorkshopScale","intervalRatios":[1.148698354997035,1.3195079107728942,1.515716566510398,1.7411011265922482,2],"baseFrequency":261.6255653005987,"baseMidiNote":60,"title":""},"relativeIntervals":[{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[1,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":1,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[2,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":2,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[3,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":3,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[4,5],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":4,"d":5,"p":null,"q":null},"t":[]},{"type":"Interval","v":{"type":"TimeMonzo","t":{"n":0,"d":1},"p":[1,1],"r":{"n":1,"d":1}},"d":1,"s":0,"l":"","n":{"type":"n","n":5,"d":5,"p":null,"q":null},"t":[]}],"latticeIntervals":null,"name":"","baseMidiNote":60,"userBaseFrequency":261.63,"autoFrequency":true,"autoColors":"silver","sourceText":"tet(5)","colors":["silver","silver","silver","silver","gray"],"labels":["1\\5","2\\5","3\\5","4\\5","5\\5"],"error":"","warning":"","isomorphicVertical":5,"isomorphicHorizontal":1,"keyboardMode":"isomorphic","equaveShift":0,"degreeShift":0,"pianoMode":"Asdf","accidentalColor":"black","lowAccidentalColor":"maroon","middleAccidentalColor":"navy","highAccidentalColor":"indigo"}`
 
 describe('Scale store', () => {
   beforeEach(() => {
@@ -38,5 +38,6 @@ describe('Scale store', () => {
     expect(centss[3]).toBeCloseTo(720)
     expect(centss[4]).toBeCloseTo(960)
     expect(centss[5]).toBeCloseTo(1200)
+    expect(scale.latticeIntervals).toHaveLength(5)
   })
 })
diff --git a/src/stores/scale.ts b/src/stores/scale.ts
index 3643e5f3..e03f75ca 100644
--- a/src/stores/scale.ts
+++ b/src/stores/scale.ts
@@ -455,6 +455,7 @@ export const useScaleStore = defineStore('scale', () => {
     sourceText,
     scale,
     relativeIntervals,
+    latticeIntervals,
     colors,
     labels,
     error,
@@ -490,6 +491,11 @@ export const useScaleStore = defineStore('scale', () => {
       scale: scale.value.toJSON(),
       relativeIntervals: relativeIntervals.value.map((i) => i.toJSON())
     }
+    if (relativeIntervals.value === latticeIntervals.value) {
+      result.latticeIntervals = null
+    } else {
+      result.latticeIntervals = latticeIntervals.value.map((i) => i.toJSON())
+    }
     for (const [key, value] of Object.entries(LIVE_STATE)) {
       if (key in result) {
         continue
@@ -506,7 +512,11 @@ export const useScaleStore = defineStore('scale', () => {
   function fromJSON(data: any) {
     skipNextRerollWatch = true
     for (const key in LIVE_STATE) {
-      LIVE_STATE[key as keyof typeof LIVE_STATE].value = data[key]
+      if (key === 'latticeIntervals' && !data[key]) {
+        latticeIntervals.value = data['relativeIntervals']
+      } else {
+        LIVE_STATE[key as keyof typeof LIVE_STATE].value = data[key]
+      }
     }
     id.value = data['id']
     uploadedId.value = data['id']
@@ -528,7 +538,6 @@ export const useScaleStore = defineStore('scale', () => {
     sourcePrefix,
     latticePermutation,
     inverseLatticePermutation,
-    latticeIntervals,
     latticeColors,
     latticeLabels,
     frequencies,