diff --git a/core/modules/startup/rootwidget.js b/core/modules/startup/rootwidget.js
index 1749600e7e4..8496b48dfda 100644
--- a/core/modules/startup/rootwidget.js
+++ b/core/modules/startup/rootwidget.js
@@ -78,7 +78,7 @@ exports.startup = function() {
 		$tw.utils.copyToClipboard(event.param,{
 			successNotification: event.paramObject && event.paramObject.successNotification,
 			failureNotification: event.paramObject && event.paramObject.failureNotification,
-			plainText: event.paramObject && event.paramObject.plain
+			plainText: event.paramObject && event.paramObject.plainText
 		},event.paramObject.type);
 	});
 	// Install the tm-focus-selector message
diff --git a/core/wiki/macros/copy-to-clipboard.tid b/core/wiki/macros/copy-to-clipboard.tid
index 411fcf0673d..f299cf955d0 100644
--- a/core/wiki/macros/copy-to-clipboard.tid
+++ b/core/wiki/macros/copy-to-clipboard.tid
@@ -5,7 +5,7 @@ tags: $:/tags/Macro
 
 \procedure copy-to-clipboard(src,class:"tc-btn-invisible",style,type:"text/plain",plain)
 \procedure copy-to-clipboard-actions()
-<$action-sendmessage $message="tm-copy-to-clipboard" $param=<<src>> type=<<type>> plain=<<plain>>/>
+<$action-sendmessage $message="tm-copy-to-clipboard" $param=<<src>> type=<<type>> plainText=<<plain>>/>
 \end copy-to-clipboard-actions
 <$button actions=<<copy-to-clipboard-actions>>
 	class=<<class>>