diff --git a/dev/Knoin/AbstractModel.js b/dev/Knoin/AbstractModel.js
index 9b4b48e5d..4da7ebcc3 100644
--- a/dev/Knoin/AbstractModel.js
+++ b/dev/Knoin/AbstractModel.js
@@ -8,7 +8,7 @@ function dispose(disposable) {
 function typeCast(curValue, newValue) {
 	switch (typeof curValue)
 	{
-	case 'boolean': return !!newValue;
+	case 'boolean': return 0 != newValue && !!newValue;
 	case 'number': return isFinite(newValue) ? parseFloat(newValue) : 0;
 	case 'string': return null != newValue ? '' + newValue : '';
 	case 'object':
diff --git a/dev/Model/Filter.js b/dev/Model/Filter.js
index 35855bcae..91d99f8fb 100644
--- a/dev/Model/Filter.js
+++ b/dev/Model/Filter.js
@@ -188,7 +188,7 @@ export class FilterModel extends AbstractModel {
 		return {
 //			'@Object': 'Object/Filter',
 			ID: this.id,
-			Enabled: this.enabled() ? '1' : '0',
+			Enabled: this.enabled() ? 1 : 0,
 			Name: this.name(),
 			Conditions: this.conditions.map(item => item.toJson()),
 			ConditionsType: this.conditionsType(),
@@ -199,9 +199,9 @@ export class FilterModel extends AbstractModel {
 			ActionValueThird: this.actionValueThird(),
 			ActionValueFourth: this.actionValueFourth(),
 
-			Keep: this.actionKeep() ? '1' : '0',
-			Stop: this.actionNoStop() ? '0' : '1',
-			MarkAsRead: this.actionMarkAsRead() ? '1' : '0'
+			Keep: this.actionKeep() ? 1 : 0,
+			Stop: this.actionNoStop() ? 0 : 1,
+			MarkAsRead: this.actionMarkAsRead() ? 1 : 0
 		};
 	}
 
@@ -236,9 +236,9 @@ export class FilterModel extends AbstractModel {
 				);
 			}
 
-			filter.actionNoStop(!json.Stop);
-			filter.actionKeep(!!json.Keep);
-			filter.actionMarkAsRead(!!json.MarkAsRead);
+			filter.actionKeep(1 == json.Keep);
+			filter.actionNoStop(0 == json.Stop);
+			filter.actionMarkAsRead(1 == json.MarkAsRead);
 		}
 		return filter;
 	}