diff --git a/bcutils.js b/bcutils.js
index 8f87620..dfaf559 100644
--- a/bcutils.js
+++ b/bcutils.js
@@ -116,6 +116,9 @@ function isEmptyAddress(address) {
 }
 
 function isValidAddress(address) {
+  if (address == '0x0000000000000000000000000000000000000000') {
+    return false;
+  }
   return address.toString().length > 10;
 }