diff --git a/src/modules/utils/modals/settings/SettingsCtrl.js b/src/modules/utils/modals/settings/SettingsCtrl.js
index a538543728..c77754f8c7 100644
--- a/src/modules/utils/modals/settings/SettingsCtrl.js
+++ b/src/modules/utils/modals/settings/SettingsCtrl.js
@@ -253,6 +253,7 @@
                 this.scamListUrl = WavesApp.network.scamListUrl;
                 this.tokensNameListUrl = WavesApp.network.tokensNameListUrl;
                 this.oracleWaves = WavesApp.oracles.waves;
+                this.assetsOracleTmp = this.oracleWaves;
                 this.api = WavesApp.network.api;
             }
 
@@ -285,6 +286,10 @@
                 modalManager.showDeleteAccountModal();
             }
 
+            onBlurSetting(prop) {
+                this[prop] = this[prop] ? this[prop] : undefined;
+            }
+
         }
 
         return new SettingsCtrl();
diff --git a/src/modules/utils/modals/settings/settings.html b/src/modules/utils/modals/settings/settings.html
index 99984f3c5d..137ad9c162 100644
--- a/src/modules/utils/modals/settings/settings.html
+++ b/src/modules/utils/modals/settings/settings.html
@@ -209,7 +209,7 @@
                         <a class="settings-copy" w-copy="$ctrl.node" w-i18n="modal.settings.network.copy"></a>
                     </div>
                     <div class="data-field">
-                        <w-input ng-model="$ctrl.node"></w-input>
+                        <w-input ng-model="$ctrl.node" ng-blur="$ctrl.onBlurSetting('node')"></w-input>
                     </div>
                 </div>
 
@@ -219,7 +219,7 @@
                         <a class="settings-copy" w-copy="$ctrl.matcher" w-i18n="modal.settings.network.copy"></a>
                     </div>
                     <div class="data-field">
-                        <w-input ng-model="$ctrl.matcher"></w-input>
+                        <w-input ng-model="$ctrl.matcher" ng-blur="$ctrl.onBlurSetting('matcher')"></w-input>
                     </div>
                 </div>
 
@@ -288,7 +288,7 @@
                         <a class="settings-copy" w-copy="$ctrl.api" w-i18n="modal.settings.network.copy"></a>
                     </div>
                     <div class="data-field has-helper">
-                        <w-input ng-model="$ctrl.api"></w-input>
+                        <w-input ng-model="$ctrl.api" ng-blur="$ctrl.onBlurSetting('api')"></w-input>
                         <w-help-icon>
                             <div class="help-icon__row headline-3" w-i18n="modal.settings.network.apiAddressHelp"></div>
                         </w-help-icon>