diff --git a/tests/unit/RequestValidator.ts b/tests/unit/RequestValidator.ts
index 3be1c31..2af21b0 100644
--- a/tests/unit/RequestValidator.ts
+++ b/tests/unit/RequestValidator.ts
@@ -76,6 +76,22 @@ describe('RequestValidator', () => {
             null, test
         );
 
+        expected = 'Url: Param foo has invalid type (boolean)';
+        validator.validate(
+            {
+                route: {
+                    validation: {
+                        url: {
+                            foo: {type: 'boolean'}
+                        }
+                    }
+                }, params: {
+                    foo: 'bar'
+                }
+            },
+            null, test
+        );
+
         expected = undefined;
         validator.validate(
             {
diff --git a/ts/RequestValidator.ts b/ts/RequestValidator.ts
index 27b574d..ef6c37c 100644
--- a/ts/RequestValidator.ts
+++ b/ts/RequestValidator.ts
@@ -315,7 +315,11 @@ export class RequestValidator {
             }
             return isNumeric;
         } else if (typeValidation.type === 'boolean') {
-            return ['0', '1', 'false', 'true', false, true, 0, 1].indexOf(typeValidation.value) !== -1;
+            const isBoolean = ['0', '1', 'false', 'true', false, true, 0, 1].indexOf(typeValidation.value) !== -1;
+            if (isBoolean === true) {
+                typeValidation.value = ['1', 'true', true, 1].indexOf(typeValidation.value) !== -1;
+            }
+            return isBoolean;
         } else if (typeValidation.type === 'date') {
             if (typeof typeValidation.value === 'object' && typeof typeValidation.value.getTime === 'function') {
                 return true;