diff --git a/application/default/views/scripts/water/view.phtml b/application/default/views/scripts/water/view.phtml
index 73cbe334..e0467a52 100755
--- a/application/default/views/scripts/water/view.phtml
+++ b/application/default/views/scripts/water/view.phtml
@@ -125,7 +125,7 @@ if ($author['role']!=$r)
 } 
 	if ($i>0) echo '，';
 	$i+=1;
-	if (!empty($author['email']))
+	if (!empty($author['email']) && $r!='principalInvestigator')
 		echo '<a href="mailto:'.$author['email'].'">';
 	echo '<strong title="'.$author['organisation'].'">';
 	if (!empty($author['individual']))