diff --git a/app/models/article.rb b/app/models/article.rb
index 99512265933d6872645648e858fd6bfde48f5a41..145c405ad2c50adf6a5cd1884ed038d708c07bb4 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -46,7 +46,7 @@ class Article
     def get_thumbnail
         if Rails.configuration.iiif_sources[:local].include? self.newspaper
             pagenum = self.canvases_parts[0][self.canvases_parts[0].rindex('_')+1...self.canvases_parts[0].rindex('#')].to_i
-            self.get_iiif_url("http://iiif.newseye.eu/iiif/#{self.newspaper}/#{self.issue_id}_page_#{pagenum}.ptif")
+            self.get_iiif_url("https://iiif.newseye.eu/iiif/#{self.newspaper}/#{self.issue_id}_page_#{pagenum}.ptif")
         elsif Rails.configuration.iiif_sources[:external].include? self.newspaper
             self.thumbnail_url
         elsif Rails.configuration.iiif_sources[:external_onb].include? self.newspaper
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 7fb603e5c9b6bbb4cba758c534e7cbce42bbfeb1..e61754174091d46198b9cf3cadc78afeaec24b36 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -58,7 +58,7 @@ class Issue
 
     def get_thumbnail
         if Rails.configuration.iiif_sources[:local].include? self.newspaper
-            "http://iiif.newseye.eu/iiif/#{self.newspaper}/#{self.id}_page_1.ptif/full/200,/0/default.jpg"
+            "https://iiif.newseye.eu/iiif/#{self.newspaper}/#{self.id}_page_1.ptif/full/200,/0/default.jpg"
         elsif Rails.configuration.iiif_sources[:external].include? self.newspaper
             iiif_pages = self.pages.map{ |p| "#{p.iiif_url}/info.json" }  # to change
         elsif Rails.configuration.iiif_sources[:external_onb].include? self.newspaper
@@ -69,7 +69,7 @@ class Issue
     def get_iiif_urls
         if Rails.configuration.iiif_sources[:local].include? self.newspaper
             iiif_pages = self.pages.map do |p|
-                "http://iiif.newseye.eu/iiif/#{self.newspaper}/#{self.id}_page_#{p.page_number}.ptif/info.json"
+                "https://iiif.newseye.eu/iiif/#{self.newspaper}/#{self.id}_page_#{p.page_number}.ptif/info.json"
             end
         elsif Rails.configuration.iiif_sources[:external].include? self.newspaper
             iiif_pages = self.pages.map{ |p| "#{p.iiif_url}/info.json" }