diff --git a/static/AccountRegister.js b/static/AccountRegister.js
index ae5c5dc..fcf8b37 100644
--- a/static/AccountRegister.js
+++ b/static/AccountRegister.js
@@ -287,7 +287,7 @@ const AddEditTransactionModal = React.createClass({
 		var deleteButton = [];
 		if (editing) {
 			deleteButton = (
-				<Button onClick={this.handleDelete} bsStyle="danger">Delete Transaction</Button>
+				<Button key={1} onClick={this.handleDelete} bsStyle="danger">Delete Transaction</Button>
 		   );
 		}
 
@@ -346,7 +346,7 @@ const AddEditTransactionModal = React.createClass({
 			}
 
 			splits.push((
-				<Row>
+				<Row key={s.SplitId}>
 				<Col xs={1}><Input
 					type="text"
 					value={s.Number}
@@ -808,6 +808,7 @@ module.exports = React.createClass({
 				var t = this.state.transactions[i];
 				transactionRows.push((
 					<TransactionRow
+						key={t.TransactionId}
 						transaction={t}
 						account={this.props.selectedAccount}
 						accounts={this.props.accounts}
diff --git a/static/AccountsTab.js b/static/AccountsTab.js
index ebc9194..aa9f63d 100644
--- a/static/AccountsTab.js
+++ b/static/AccountsTab.js
@@ -279,6 +279,7 @@ const AccountTreeNode = React.createClass({
 		var children = this.props.account.Children.map(function(account) {
 			return (
 				<AccountTreeNode
+					key={account.AccountId}
 					account={account}
 					selectedAccount={self.props.selectedAccount}
 					onSelect={self.handleChildSelect}/>
@@ -289,6 +290,7 @@ const AccountTreeNode = React.createClass({
 		if (children.length > 0) {
 			expandButton.push((
 				<Button onClick={this.handleToggle}
+						key={1}
 						bsSize="xsmall"
 						bsStyle="link"
 						className="accounttree-expandbutton">
@@ -343,6 +345,7 @@ const AccountTree = React.createClass({
 		for (var i = 0; i < accounts.length; i++) {
 			if (accounts[i].isRootAccount())
 				children.push((<AccountTreeNode
+					key={accounts[i].AccountId}
 					account={accounts[i]}
 					selectedAccount={this.state.selectedAccount}
 					onSelect={this.handleSelect}/>));