diff --git a/searx/settings.yml b/searx/settings.yml
index df106be5..2da03259 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -1467,4 +1467,4 @@ doi_resolvers :
   sci-hub.bar : 'https://sci-hub.bar/'
   sci-hub.it.nf : 'https://sci-hub.it.nf/'
 
-default_doi_resolver : 'sci-hub.do'
+default_doi_resolver : 'oadoi.org'
diff --git a/searx/settings_robot.yml b/searx/settings_robot.yml
index 4082abae..976a8f5f 100644
--- a/searx/settings_robot.yml
+++ b/searx/settings_robot.yml
@@ -51,4 +51,4 @@ doi_resolvers :
   sci-hub.it.nf : 'https://sci-hub.it.nf/'
 
 
-default_doi_resolver : 'sci-hub.do'
+default_doi_resolver : 'oadoi.org'