diff --git a/src/asn1.js b/src/asn1.js
index c508a82..d15eb98 100644
--- a/src/asn1.js
+++ b/src/asn1.js
@@ -126,7 +126,7 @@ class LocalBaseBlock
  * @property {ArrayBuffer} valueHex
  */
 //noinspection JSUnusedLocalSymbols
-const LocalHexBlock = BaseClass => class LocalHexBlockMixin extends BaseClass
+const LocalHexBlock = BaseClass => (class LocalHexBlockMixin extends BaseClass
 {
 	//**********************************************************************************
 	//noinspection JSUnusedGlobalSymbols
@@ -240,7 +240,7 @@ const LocalHexBlock = BaseClass => class LocalHexBlockMixin extends BaseClass
 		return object;
 	}
 	//**********************************************************************************
-};
+});
 //**************************************************************************************
 //endregion
 //**************************************************************************************