diff --git a/app/controllers/page_contents_controller.rb b/app/controllers/page_contents_controller.rb
index 95e6df5..12d7a84 100644
--- a/app/controllers/page_contents_controller.rb
+++ b/app/controllers/page_contents_controller.rb
@@ -30,12 +30,14 @@ class PageContentsController < OrbitAdminController
         img_src_path = File.join('public', img_src)
         img_src_path = URI.decode(img_src_path)
         if File.exist?(img_src_path)
-          image = MiniMagick::Image.open(img_src_path)
-          if image[:width]
-            metas << {"property" => "og:image:width", "content" => image[:width].to_s}
-          end
-          if image[:height]
-            metas << {"property" => "og:image:height", "content" => image[:height].to_s}
+          image = MiniMagick::Image.open(img_src_path) rescue nil
+          if image
+            if image[:width]
+              metas << {"property" => "og:image:width", "content" => image[:width].to_s}
+            end
+            if image[:height]
+              metas << {"property" => "og:image:height", "content" => image[:height].to_s}
+            end
           end
         end
       else