diff --git a/dist/formulario.esm.js b/dist/formulario.esm.js
index 583a1b6..b7bd3e6 100644
--- a/dist/formulario.esm.js
+++ b/dist/formulario.esm.js
@@ -193,6 +193,9 @@ function setNested(obj, field, value) {
     for (let i = 0; i < fieldParts.length; i++) {
         const fieldPart = fieldParts[i];
         const matches = fieldPart.match(/(.+)\[(\d+)\]$/);
+        if (subProxy === undefined) {
+            break;
+        }
         if (matches) {
             if (subProxy[matches[1]] === undefined) {
                 subProxy[matches[1]] = [];
diff --git a/dist/formulario.min.js b/dist/formulario.min.js
index bebd747..5a1d030 100644
--- a/dist/formulario.min.js
+++ b/dist/formulario.min.js
@@ -31,4 +31,4 @@ var e}function r(t){var r,o;return!1!==e(t)&&("function"==typeof(r=t.constructor
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r([])};o(function(t){const e=([t,,e])=>({validators:[t],bail:"^"===e}),r=[],o=t.findIndex(([,t])=>t&&"bail"===t.toLowerCase());return o>=0?(r.push(...et(t.splice(0,o+1).slice(0,-1).map(e))),r.push(...t.map(([t])=>({validators:[t],bail:!0})))):r.push(...et(t.map(e))),r}(t))})}const ot={DEMAND:"demand",LIVE:"live",SUBMIT:"submit"};let it=class extends t{constructor(){super(...arguments),this.proxy=this.getInitialValue(),this.localErrors=[],this.violations=[],this.validationRun=Promise.resolve()}get fullQualifiedName(){return""!==this.path?`${this.path}.${this.name}`:this.name}get model(){const t=this.hasModel?"value":"proxy";return this.modelGetConverter(this[t])}set model(t){c(t=this.modelSetConverter(t,this.proxy),this.proxy)||(this.proxy=t),this.$emit("input",t),"function"==typeof this.formularioSetter&&this.formularioSetter(this.context.name,t)}get context(){return Object.defineProperty({name:this.fullQualifiedName,runValidation:this.runValidation.bind(this),violations:this.violations,errors:this.localErrors,allErrors:[...this.localErrors,...this.violations.map(t=>t.message)]},"model",{get:()=>this.model,set:t=>{this.model=t}})}get normalizedValidationRules(){const t={};return Object.keys(this.validationRules).forEach(e=>{t[d(e)]=this.validationRules[e]}),t}get normalizedValidationMessages(){const t={};return Object.keys(this.validationMessages).forEach(e=>{t[d(e)]=this.validationMessages[e]}),t}get hasModel(){return o(this.$options.propsData||{},"value")}onProxyChanged(t,e){this.hasModel||c(t,e)||(this.context.model=t),this.validationBehavior===ot.LIVE?this.runValidation():this.violations=[]}onValueChanged(t,e){this.hasModel&&!c(t,e)&&(this.context.model=t)}created(){this.initProxy(),"function"==typeof this.formularioRegister&&this.formularioRegister(this.fullQualifiedName,this),"function"!=typeof this.addErrorObserver||this.errorsDisabled||this.addErrorObserver({callback:this.setErrors,type:"input",field:this.fullQualifiedName}),this.validationBehavior===ot.LIVE&&this.runValidation()}beforeDestroy(){this.errorsDisabled||"function"!=typeof this.removeErrorObserver||this.removeErrorObserver(this.setErrors),"function"==typeof this.formularioDeregister&&this.formularioDeregister(this.fullQualifiedName)}getInitialValue(){return o(this.$options.propsData||{},"value")?this.value:""}initProxy(){c(this.context.model,this.proxy)||(this.context.model=this.proxy)}runValidation(){return this.validationRun=this.validate().then(t=>{const e=!c(t,this.violations);if(this.violations=t,e){const t={name:this.context.name,violations:this.violations};this.$emit("validation",t),"function"==typeof this.onFormularioFieldValidation&&this.onFormularioFieldValidation(t)}return this.violations}),this.validationRun}validate(){return rt(function t(e,r,o){return"string"==typeof e?t(e.split("|").filter(t=>t.length),r,o):Array.isArray(e)?e.map(t=>tt(t,r,o)):[]}(this.validation,this.$formulario.getRules(this.normalizedValidationRules),this.$formulario.getMessages(this,this.normalizedValidationMessages)),{value:this.context.model,name:this.context.name,formValues:this.getFormValues()})}hasValidationErrors(){return new Promise(t=>{this.$nextTick(()=>{this.validationRun.then(()=>t(this.violations.length>0))})})}setErrors(t){var e;this.localErrors=(e=t)?"string"==typeof e?[e]:Array.isArray(e)?e:"object"==typeof e?Object.values(e):[]:[]}resetValidation(){this.localErrors=[],this.violations=[]}};y([D({default:void 0})],it.prototype,"formularioSetter",void 0),y([D({default:()=>()=>{}})],it.prototype,"onFormularioFieldValidation",void 0),y([D({default:void 0})],it.prototype,"formularioRegister",void 0),y([D({default:void 0})],it.prototype,"formularioDeregister",void 0),y([D({default:()=>()=>({})})],it.prototype,"getFormValues",void 0),y([D({default:void 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t=this.$createElement;return(this._self._c||t)("div",{staticClass:"formulario-input"},[this._t("default",null,{context:this.context})],2)};at._withStripped=!0;const st=Q({render:at,staticRenderFns:[]},void 0,nt,void 0,!1,void 0,!1,void 0,void 0,void 0);return{install(t,e){t.component("FormularioForm",G),t.component("FormularioGrouping",X),t.component("FormularioInput",st),t.mixin({beforeCreate(){const t=this.$options;"function"==typeof t.formulario?this.$formulario=t.formulario():t.parent&&t.parent.$formulario?this.$formulario=t.parent.$formulario:this.$formulario=new v(e)}})}}}(Vue);
diff --git a/dist/formulario.umd.js b/dist/formulario.umd.js
index f973965..eea3c0d 100644
--- a/dist/formulario.umd.js
+++ b/dist/formulario.umd.js
@@ -198,6 +198,9 @@
         for (let i = 0; i < fieldParts.length; i++) {
             const fieldPart = fieldParts[i];
             const matches = fieldPart.match(/(.+)\[(\d+)\]$/);
+            if (subProxy === undefined) {
+                break;
+            }
             if (matches) {
                 if (subProxy[matches[1]] === undefined) {
                     subProxy[matches[1]] = [];
@@ -212,9 +215,6 @@
                 }
             }
             else {
-                if (subProxy === undefined) {
-                    break;
-                }
                 if (i === fieldParts.length - 1) {
                     subProxy[fieldPart] = value;
                     break;
diff --git a/package.json b/package.json
index 5d7fccf..e000e7a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@retailcrm/vue-formulario",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "author": "RetailDriverLLC <integration@retailcrm.ru>",
     "scripts": {
         "build": "npm run build:esm & npm run build:umd & npm run build:iife & wait && echo \"Build complete:\nesm: $(gzip -c dist/formulario.esm.js | wc -c)b gzip\numd: $(gzip -c dist/formulario.umd.js | wc -c)b gzip\nmin: $(gzip -c dist/formulario.min.js | wc -c)b gzip\"",