Index: binaries/data/mods/public/gui/lobby/lobby.js
===================================================================
--- binaries/data/mods/public/gui/lobby/lobby.js
+++ binaries/data/mods/public/gui/lobby/lobby.js
@@ -1375,13 +1375,14 @@
 	{
 		let senderString;
 
-		// Translation: IRC message prefix.
 		if (msg.private)
-			senderString = sprintf(translateWithContext("lobby private message", "(%(private)s) <%(sender)s>"), {
-				"private": coloredText(translate("Private"), g_PrivateMessageColor),
+			// Translation: IRC message prefix for private messages.
+			senderString = sprintf(translate("(%(private)s) <%(sender)s>"), {
+				"private": coloredText(translateWithContext("chat message", "Private"), g_PrivateMessageColor),
 				"sender": coloredFrom
 			});
 		else
+			// Translation: IRC message prefix.
 			senderString = sprintf(translate("<%(sender)s>"), {
 				"sender": coloredFrom
 			});