diff -r 42e2c73b6b9c -r b6ae2956a561 libgaim/protocols/irc/msgs.c
--- a/libgaim/protocols/irc/msgs.c	Thu Dec 21 23:57:27 2006 +0000
+++ b/libgaim/protocols/irc/msgs.c	Fri Dec 22 00:47:43 2006 +0000
@@ -434,6 +434,8 @@
 		if (!irc->names)
 			irc->names = g_string_new("");
 
+		if (irc->names->len && irc->names->str[irc->names->len - 1] != ' ')
+			irc->names = g_string_append_c(irc->names, ' ');
 		irc->names = g_string_append(irc->names, args[3]);
 	}
 }