diff -r 8a55830a20b6 -r a5517f235e0f libpurple/protocols/gg/oauth/oauth-parameter.c
--- a/libpurple/protocols/gg/oauth/oauth-parameter.c	Wed Jul 03 20:22:20 2013 +0200
+++ b/libpurple/protocols/gg/oauth/oauth-parameter.c	Thu Jul 04 03:02:55 2013 +0200
@@ -88,7 +88,7 @@
 	char *res, *out;
 
 	if (header)
-		len += strlen("Authorization: OAuth ");
+		len += strlen("OAuth ");
 
 	for (p = list; p; p = p->next) {
 		gchar *escaped;
@@ -114,7 +114,7 @@
 	*out = 0;
 
 	if (header) {
-		strcpy(out, "Authorization: OAuth ");
+		strcpy(out, "OAuth ");
 		out += strlen(out);
 	}