diff --git a/YACReader/Info.plist.mac b/YACReader/Info.plist.mac
index 14af2abd..be9dbf3d 100644
--- a/YACReader/Info.plist.mac
+++ b/YACReader/Info.plist.mac
@@ -24,6 +24,8 @@
         <dict>
             <key>CFBundleTypeName</key>
             <string></string>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
             <key>LSHandlerRank</key>
             <string>Alternate</string>
             <key>LSItemContentTypes</key>