diff --git a/lib/storage.js b/lib/storage.js
index 5e27a0e..512a9b1 100644
--- a/lib/storage.js
+++ b/lib/storage.js
@@ -32,10 +32,10 @@ var opKeyTs = function(key) {
 
 var KEY = {
   WALLET: function(id) {
-    return 'wallet::' + id;
+    return 'wallet!' + id;
   },
   COPAYER: function(id) {
-    return 'copayer::' + id;
+    return 'copayer!' + id;
   },
   TXP: function(walletId, txProposalId) {
     return 'txp!' + walletId + opKey(txProposalId);