diff --git a/devtools/client/webconsole/new-console-output/components/message-container.js b/devtools/client/webconsole/new-console-output/components/message-container.js
index ceee8332a614..d142d655182f 100644
--- a/devtools/client/webconsole/new-console-output/components/message-container.js
+++ b/devtools/client/webconsole/new-console-output/components/message-container.js
@@ -37,8 +37,8 @@ const MessageContainer = createClass({
     indent: PropTypes.number.isRequired,
     tableData: PropTypes.object,
     timestampsVisible: PropTypes.bool.isRequired,
-    repeat: PropTypes.object,
-    networkMessageUpdate: PropTypes.object.isRequired,
+    repeat: PropTypes.number,
+    networkMessageUpdate: PropTypes.object,
   },
 
   getDefaultProps: function () {
diff --git a/devtools/client/webconsole/new-console-output/components/message.js b/devtools/client/webconsole/new-console-output/components/message.js
index a0bb793abcad..ea8d002c5a51 100644
--- a/devtools/client/webconsole/new-console-output/components/message.js
+++ b/devtools/client/webconsole/new-console-output/components/message.js
@@ -227,6 +227,8 @@ const Message = createClass({
       }, `[${l10n.getStr("webConsoleMoreInfoLabel")}]`);
     }
 
+    const bodyElements = Array.isArray(messageBody) ? messageBody : [messageBody];
+
     return dom.div({
       className: topLevelClasses.join(" "),
       onContextMenu: this.onContextMenu,
@@ -243,7 +245,7 @@ const Message = createClass({
           // Add whitespaces for formatting when copying to the clipboard.
           timestampEl ? " " : null,
           dom.span({ className: "message-body devtools-monospace" },
-            messageBody,
+            ...bodyElements,
             learnMore
           ),
           repeat ? " " : null,