Index: bp-themes/bp-default/search.php
===================================================================
--- bp-themes/bp-default/search.php	(revision 2693)
+++ bp-themes/bp-default/search.php	(working copy)
@@ -25,7 +25,7 @@
 					<div class="post" id="post-<?php the_ID(); ?>">
 
 						<div class="author-box">
-							<?php echo get_avatar( get_the_author_email(), '50' ); ?>
+							<?php echo get_avatar( get_the_author_meta('email'), '50' ); ?>
 							<p><?php printf( __( 'by %s', 'buddypress' ), bp_core_get_userlink( $post->post_author ) ) ?></p>
 						</div>
 
Index: bp-themes/bp-default/index.php
===================================================================
--- bp-themes/bp-default/index.php	(revision 2693)
+++ bp-themes/bp-default/index.php	(working copy)
@@ -16,7 +16,7 @@
 					<div class="post" id="post-<?php the_ID(); ?>">
 
 						<div class="author-box">
-							<?php echo get_avatar( get_the_author_email(), '50' ); ?>
+							<?php echo get_avatar( get_the_author_meta('email'), '50' ); ?>
 							<p><?php printf( __( 'by %s', 'buddypress' ), bp_core_get_userlink( $post->post_author ) ) ?></p>
 						</div>
 
Index: bp-themes/bp-default/archive.php
===================================================================
--- bp-themes/bp-default/archive.php	(revision 2693)
+++ bp-themes/bp-default/archive.php	(working copy)
@@ -25,7 +25,7 @@
 					<div class="post" id="post-<?php the_ID(); ?>">
 
 						<div class="author-box">
-							<?php echo get_avatar( get_the_author_email(), '50' ); ?>
+							<?php echo get_avatar( get_the_author_meta('email'), '50' ); ?>
 							<p><?php printf( __( 'by %s', 'buddypress' ), bp_core_get_userlink( $post->post_author ) ) ?></p>
 						</div>
 
Index: bp-themes/bp-default/single.php
===================================================================
--- bp-themes/bp-default/single.php	(revision 2693)
+++ bp-themes/bp-default/single.php	(working copy)
@@ -19,7 +19,7 @@
 				<div class="post" id="post-<?php the_ID(); ?>">
 
 					<div class="author-box">
-						<?php echo get_avatar( get_the_author_email(), '50' ); ?>
+						<?php echo get_avatar( get_the_author_meta('email'), '50' ); ?>
 						<p><?php printf( __( 'by %s', 'buddypress' ), bp_core_get_userlink( $post->post_author ) ) ?></p>
 					</div>