diff --git a/src/controller.ts b/src/controller.ts
index b66e6ef..0aa1ce0 100644
--- a/src/controller.ts
+++ b/src/controller.ts
@@ -436,6 +436,31 @@ export class Controller<HintParams, Presets extends string, Steps extends string
         this.logger.debug('Progress reset finished', presetArg);
     };
 
+    async ensureRunning() {
+        if (this.status === 'active') {
+            return;
+        }
+
+        if (!this.progressLoadingPromise) {
+            this.progressLoadingPromise = this.options.getProgressState();
+        }
+
+        this.logger.debug('Loading onboarding progress data');
+        try {
+            const newProgressState = await this.progressLoadingPromise;
+            this.state.progress = {
+                ...defaultProgress,
+                ...newProgressState,
+            };
+            this.status = 'active';
+            this.emitChange();
+
+            this.logger.debug('Onboarding progress data loaded');
+        } catch (e) {
+            this.logger.error('progress data loading error');
+        }
+    }
+
     private resolvePresetSlug = (presetSlug: Presets) => {
         const preset = this.options.config.presets[presetSlug];
 
@@ -606,31 +631,6 @@ export class Controller<HintParams, Presets extends string, Steps extends string
         await this.saveBaseState();
     }
 
-    private async ensureRunning() {
-        if (this.status === 'active') {
-            return;
-        }
-
-        if (!this.progressLoadingPromise) {
-            this.progressLoadingPromise = this.options.getProgressState();
-        }
-
-        this.logger.debug('Loading onboarding progress data');
-        try {
-            const newProgressState = await this.progressLoadingPromise;
-            this.state.progress = {
-                ...defaultProgress,
-                ...newProgressState,
-            };
-            this.status = 'active';
-            this.emitChange();
-
-            this.logger.debug('Onboarding progress data loaded');
-        } catch (e) {
-            this.logger.error('progress data loading error');
-        }
-    }
-
     private ensurePresetExists(preset: string): asserts preset is Presets {
         // @ts-ignore
         if (!this.options.config.presets[preset]) {
@@ -683,7 +683,7 @@ export class Controller<HintParams, Presets extends string, Steps extends string
     }
 
     private emitChange = () => {
-        this.state = {...this.state};
+        this.state = JSON.parse(JSON.stringify(this.state));
 
         for (const listener of this.stateListeners) {
             listener();
diff --git a/src/tests/controller.test.ts b/src/tests/controller.test.ts
index 155c5a0..09382c1 100644
--- a/src/tests/controller.test.ts
+++ b/src/tests/controller.test.ts
@@ -165,6 +165,24 @@ describe('store api', function () {
         expect(Object.is(snapshot1, snapshot2)).toBe(false);
     });
 
+    it('change state -> deep field updates', async function () {
+        const options = getOptions();
+
+        const controller = new Controller(options);
+
+        const snapshot1 = controller.getSnapshot();
+        await controller.addPreset('createQueue');
+        const snapshot2 = controller.getSnapshot();
+
+        expect(Object.is(snapshot1.base.activePresets, snapshot2.base.activePresets)).toBe(false);
+        expect(Object.is(snapshot1.base.availablePresets, snapshot2.base.availablePresets)).toBe(
+            false,
+        );
+        expect(Object.is(snapshot1.base.suggestedPresets, snapshot2.base.suggestedPresets)).toBe(
+            false,
+        );
+    });
+
     it('change progress -> trigger callback', async function () {
         const options = getOptions();
 
@@ -190,6 +208,23 @@ describe('store api', function () {
         expect(Object.is(snapshot1, snapshot2)).toBe(false);
     });
 
+    it('change progress -> deep field updates', async function () {
+        const options = getOptions();
+
+        const controller = new Controller(options);
+
+        const snapshot1 = controller.getSnapshot();
+        await controller.passStep('createSprint');
+        const snapshot2 = controller.getSnapshot();
+
+        expect(
+            Object.is(snapshot1.progress?.presetPassedSteps, snapshot2.progress?.presetPassedSteps),
+        ).toBe(false);
+        expect(
+            Object.is(snapshot1.progress?.finishedPresets, snapshot2.progress?.finishedPresets),
+        ).toBe(false);
+    });
+
     it('unsubscribe -> no cb', async function () {
         const options = getOptions();