1 files changed, 1 insertions, 1 deletions
diff --git a/Swiften/Avatars/OfflineAvatarManager.h b/Swiften/Avatars/OfflineAvatarManager.h
index 2098990..baceae8 100644
--- a/Swiften/Avatars/OfflineAvatarManager.h
+++ b/Swiften/Avatars/OfflineAvatarManager.h
@@ -10,16 +10,16 @@
 
 namespace Swift {
 	class AvatarStorage;
 
 	class OfflineAvatarManager : public AvatarProvider {
 		public:
 			OfflineAvatarManager(AvatarStorage*);
 			~OfflineAvatarManager();
 
-			virtual std::string getAvatarHash(const JID&) const;
+			virtual boost::optional<std::string> getAvatarHash(const JID&) const;
 			void setAvatar(const JID&, const std::string& hash);
 
 		private:
 			AvatarStorage* avatarStorage;
 	};
 }