diff --git a/t/plugin/auth-oauth.t b/t/plugin/auth-oauth.t
index 117b690..22054d2 100644
--- a/t/plugin/auth-oauth.t
+++ b/t/plugin/auth-oauth.t
@@ -97,6 +97,7 @@
   }
 );
 
+my $q = qr!(?:\"|&quot;)!;
 
 $t->get_ok('/realapi/v1.0')
   ->status_is(200)
@@ -106,7 +107,7 @@
   ->status_is(200)
   ->text_like('h1 span', qr/KorAP: Find .Baum./i)
   ->text_like('#total-results', qr/\d+$/)
-  ->content_like(qr/\"authorized\"\:null/)
+  ->content_like(qr/${q}authorized${q}:null/)
   ->element_exists_not('div.button.top a')
   ->element_exists_not('aside.active')
   ->element_exists_not('aside.off')
@@ -216,7 +217,7 @@
   ->text_like('h1 span', qr/KorAP: Find .Baum./i)
   ->text_like('#total-results', qr/\d+$/)
   ->element_exists_not('div.notify-error')
-  ->content_like(qr/\"authorized\"\:\"yes\"/)
+  ->content_like(qr/${q}authorized${q}:${q}yes${q}/)
   ->element_exists('div.button.top a')
   ->element_exists('div.button.top a.logout[title~="test"]')
   ;
@@ -225,7 +226,7 @@
   ->status_is(200)
   ->text_like('h1 span', qr/KorAP: Find .Paum./i)
   ->text_is('#total-results', '')
-  ->content_like(qr/\"authorized\"\:\"yes\"/)
+  ->content_like(qr/${q}authorized${q}:${q}yes${q}/)
   ->element_exists_not('p.hint')
   ;
 
@@ -251,14 +252,14 @@
   ->status_is(200)
   ->text_like('h1 span', qr/KorAP: Find .Baum./i)
   ->text_like('#total-results', qr/\d+$/)
-  ->content_like(qr/\"authorized\"\:null/)
+  ->content_like(qr/${q}authorized${q}:null/)
   ;
 
 $t->get_ok('/?q=Paum')
   ->status_is(200)
   ->text_like('h1 span', qr/KorAP: Find .Paum./i)
   ->text_is('#total-results', '')
-  ->content_like(qr/\"authorized\"\:null/)
+  ->content_like(qr/${q}authorized${q}:null/)
   ->text_is('p.hint', 'Maybe you need to log in first?')
   ;
 
@@ -320,7 +321,7 @@
   ->status_is(200)
   ->text_like('h1 span', qr/KorAP: Find .Baum./i)
   ->text_like('#total-results', qr/\d+$/)
-  ->content_like(qr/\"authorized\"\:\"yes\"/)
+  ->content_like(qr/${q}authorized${q}:${q}yes${q}/)
   ->header_is('X-Kalamar-Cache', 'true')
   ;
 
@@ -333,9 +334,9 @@
   ->text_is('title', 'KorAP: Find »baum« with Poliqarp')
   ->element_exists('meta[name="DC.title"][content="KorAP: Find »baum« with Poliqarp"]')
   ->element_exists('body[itemscope][itemtype="http://schema.org/SearchResultsPage"]')
-  ->content_like(qr/\"authorized\"\:\"yes\"/)
+  ->content_like(qr/${q}authorized${q}:${q}yes${q}/)
   ->header_isnt('X-Kalamar-Cache', 'true')
-  ->content_like(qr!\"cutOff":true!)
+  ->content_like(qr!${q}cutOff${q}:true!)
   ->element_exists_not('#total-results')
   ;
 
@@ -364,7 +365,7 @@
   ->text_is('title', 'KorAP: Find »baum« with Poliqarp')
   ->element_exists('meta[name="DC.title"][content="KorAP: Find »baum« with Poliqarp"]')
   ->element_exists('body[itemscope][itemtype="http://schema.org/SearchResultsPage"]')
-  ->content_unlike(qr/\"authorized\"\:\"yes\"/)
+  ->content_unlike(qr/${q}authorized${q}:${q}yes${q}/)
   ->header_isnt('X-Kalamar-Cache', 'true')
   ->element_exists('p.no-results')
   ;
@@ -385,7 +386,7 @@
   ->text_is('title', 'KorAP: Find »baum« with Poliqarp')
   ->element_exists('meta[name="DC.title"][content="KorAP: Find »baum« with Poliqarp"]')
   ->element_exists('body[itemscope][itemtype="http://schema.org/SearchResultsPage"]')
-  ->content_like(qr/\"authorized\"\:\"yes\"/)
+  ->content_like(qr/${q}authorized${q}:${q}yes${q}/)
   ->header_isnt('X-Kalamar-Cache', 'true')
   ->element_exists_not('p.no-results')
   ;
@@ -405,7 +406,7 @@
   ->text_is('#error','')
   ->text_is('div.notify-error','Refresh token is expired')
   ->text_is('title', 'KorAP: Find »baum« with Poliqarp')
-  ->content_unlike(qr/\"authorized\"\:\"yes\"/)
+  ->content_unlike(qr/${q}authorized${q}:${q}yes${q}/)
   ->element_exists('p.no-results')
   ->tx->res->dom->at('input[name="csrf_token"]')
   ->attr('value')