diff --git a/examples/custom.js b/examples/custom.js
index fd06fde..0ff91e8 100644
--- a/examples/custom.js
+++ b/examples/custom.js
@@ -36,19 +36,7 @@ const schema = {
 			return value;
 		}
 	},*/
-	/*distribution: {
-		type: "array",
-		min: 1,
-		custom(val, errors) {
-			//I don't get this message below
-			console.log("distribution", val);
-			return val;
-		},
-		items: {
-			type: "number", convert: true,
-			positive: true
-		}
-	},*/
+	/*
 	distribution: {
 		type: "array",
 		custom(val) {
@@ -62,10 +50,28 @@ const schema = {
 				return val;
 			}
 		}
+	}*/
+
+	/*
+	type: "object",
+	$$root: true,
+	properties: {
+		name: "string"
+	},
+	custom(val) {
+		console.log("root", val);
+		return {a : 5 };
+	},*/
+	$$root: true,
+	type: "custom",
+	a: 5,
+	check(val) {
+		console.log("root", val);
+		return val;
 	}
 };
 
-console.log(v.validate({ name: "John", age: 20, weight: 50, distribution: [1], a: "asd" }, schema));
+console.log(v.validate(5/*{ name: "John", age: 20, weight: 50, distribution: [1], a: "asd" }*/, schema));
 // Returns: true
 
 //console.log(v.validate({ name: "John", age: 19, weight: 50 }, schema));
diff --git a/lib/validator.js b/lib/validator.js
index 30d20c8..b863806 100644
--- a/lib/validator.js
+++ b/lib/validator.js
@@ -150,10 +150,14 @@ class Validator {
 		const sourceCode = [
 			"var errors = [];",
 			"var field;",
+			"var parent = null;",
 		];
 
 		const rule = this.getRuleFromSchema(schema);
 		sourceCode.push(this.compileRule(rule, context, null, "context.fn[%%INDEX%%](value, field, null, errors, context);", "value"));
+		sourceCode.push(`
+				${this.makeCustomValidator({ path: "$$root", schema: rule.schema, context, messages: rule.messages })}
+		`);
 
 		sourceCode.push("if (errors.length) {");
 		sourceCode.push(`
@@ -225,8 +229,9 @@ class Validator {
 			rule.index = context.index;
 			context.rules[context.index] = rule;
 
-			if (context.customs[path]) context.customs[path].schema = rule.schema;
-			else context.customs[path] = { schema: rule.schema };
+			const customPath = path != null ? path : "$$root";
+			if (context.customs[customPath]) context.customs[customPath].schema = rule.schema;
+			else context.customs[customPath] = { schema: rule.schema };
 
 			context.index++;
 			const res = rule.ruleFunction.call(this, rule, path, context);
@@ -347,12 +352,13 @@ class Validator {
 	 */
 	makeCustomValidator({ vName = "value", fnName = "custom", path, schema, context, messages }) {
 		if (typeof schema[fnName] == "function") {
-			if (context.customs[path]) context.customs[path].messages = messages;
-			else context.customs[path] = { messages };
+			const customPath = path != null ? path : "$$root";
+			if (context.customs[customPath]) context.customs[customPath].messages = messages;
+			else context.customs[customPath] = { messages };
 
 			if (this.opts.useNewCustomCheckerFunction) {
 				return `
-					const rule = context.customs["${path}"];
+					const rule = context.customs["${customPath}"];
 					const fnCustomErrors = [];
 					${vName} = rule.schema.${fnName}.call(this, ${vName}, fnCustomErrors, rule.schema, "${path}", parent, context);
 					if (Array.isArray(fnCustomErrors)) {
@@ -362,7 +368,7 @@ class Validator {
 			}
 
 			return `
-				const rule = context.customs["${path}"];
+				const rule = context.customs["${customPath}"];
 				const res = rule.schema.${fnName}.call(this, ${vName}, rule.schema, "${path}", parent, context);
 				if (Array.isArray(res)) {
 					res.forEach(err => errors.push(Object.assign({ message: rule.messages[err.type], field }, err)));
diff --git a/test/rules/custom.spec.js b/test/rules/custom.spec.js
index f6ffed4..772b247 100644
--- a/test/rules/custom.spec.js
+++ b/test/rules/custom.spec.js
@@ -52,8 +52,8 @@ describe("Test rule: custom v2", () => {
 		useNewCustomCheckerFunction: true,
 	});
 
-	it("should call custom checker", () => {
-		const checker = jest.fn(() => true);
+	it("should call custom checker on $$root level", () => {
+		const checker = jest.fn(v => v);
 		const schema = { $$root: true, type: "custom", a: 5, check: checker };
 		const check = v.compile(schema);
 
@@ -91,4 +91,21 @@ describe("Test rule: custom v2", () => {
 		expect(checker).toHaveBeenCalledWith(10, expect.any(Array), schema.weight, "weight", { weight: 10 }, expect.any(Object));
 	});
 
+	it("should call custom checker on $$root level", () => {
+		const checker = jest.fn(v => v);
+		const schema = {
+			$$root: true,
+			type: "object",
+			properties: {
+				name: "string"
+			},
+			custom: checker
+		};
+		const check = v.compile(schema);
+
+		expect(check({ name: "John" })).toEqual(true);
+		expect(checker).toHaveBeenCalledTimes(1);
+		expect(checker).toHaveBeenCalledWith({ name: "John" }, [], schema, "$$root", null, expect.any(Object));
+	});
+
 });