diff --git a/app/logical/nico_seiga_api_client.rb b/app/logical/nico_seiga_api_client.rb
index d471836d6..4cdb75c9c 100644
--- a/app/logical/nico_seiga_api_client.rb
+++ b/app/logical/nico_seiga_api_client.rb
@@ -78,7 +78,7 @@ class NicoSeigaApiClient
     Hash.from_xml(resp.to_s)["response"]["user"]
   end
 
-  def get(url)
+  def login
     form = {
       mail_tel: Danbooru.config.nico_seiga_login,
       password: Danbooru.config.nico_seiga_password
@@ -88,7 +88,11 @@ class NicoSeigaApiClient
     resp = http.cache(1.hour).post("https://account.nicovideo.jp/login/redirector?site=seiga", form: form)
     raise RuntimeError, "NicoSeiga login failed (status=#{resp.status} url=#{url})" if resp.status != 200
 
-    resp = http.cache(1.minute).get(url)
+    http
+  end
+
+  def get(url)
+    resp = login.cache(1.minute).get(url)
     #raise RuntimeError, "NicoSeiga get failed (status=#{resp.status} url=#{url})" if resp.status != 200
 
     resp
diff --git a/app/logical/sources/strategies/nico_seiga.rb b/app/logical/sources/strategies/nico_seiga.rb
index d4af63084..93a2d995c 100644
--- a/app/logical/sources/strategies/nico_seiga.rb
+++ b/app/logical/sources/strategies/nico_seiga.rb
@@ -81,7 +81,7 @@ module Sources
         else image_urls.first
         end
 
-        resp = api_client.get(img)
+        resp = api_client.login.head(img)
         if resp.uri.to_s =~ %r{https?://.+/(\w+/\d+/\d+)\z}i
           "https://lohas.nicoseiga.jp/priv/#{$1}"
         else