diff --git a/classes/modules/blog/entity/Blog.entity.class.php b/classes/modules/blog/entity/Blog.entity.class.php
index 8f3e3b3b..74cd7d1a 100644
--- a/classes/modules/blog/entity/Blog.entity.class.php
+++ b/classes/modules/blog/entity/Blog.entity.class.php
@@ -170,7 +170,7 @@ class ModuleBlog_EntityBlog extends Entity {
 		if ($sPath=$this->getAvatar()) {
 			return preg_replace("#_\d{1,3}x\d{1,3}(\.\w{3,4})$#", ((($iSize==0)?"":"_{$iSize}x{$iSize}") . "\\1"),$sPath);
 		} else {
-			return Config::Get('path.static.skin').'/images/avatar_blog_'.$iSize.'x'.$iSize.'.jpg';
+			return Config::Get('path.static.skin').'/images/avatar_blog_'.$iSize.'x'.$iSize.'.png';
 		}
 	}
 	/**
diff --git a/classes/modules/user/entity/User.entity.class.php b/classes/modules/user/entity/User.entity.class.php
index b55ebc1a..6a4d9eac 100644
--- a/classes/modules/user/entity/User.entity.class.php
+++ b/classes/modules/user/entity/User.entity.class.php
@@ -354,7 +354,7 @@ class ModuleUser_EntityUser extends Entity {
 		if ($sPath=$this->getProfileAvatar()) {
 			return str_replace('_100x100',(($iSize==0)?"":"_{$iSize}x{$iSize}"),$sPath."?".date('His',strtotime($this->getProfileDate())));
 		} else {
-			return Config::Get('path.static.skin').'/images/avatar_'.($this->getProfileSex()=='woman' ? 'male' : 'female').'_'.$iSize.'x'.$iSize.'.jpg';
+			return Config::Get('path.static.skin').'/images/avatar_'.($this->getProfileSex()=='woman' ? 'male' : 'female').'_'.$iSize.'x'.$iSize.'.png';
 		}
 	}
 	/**