diff --git a/Changes b/Changes
index 8f24bb2..a8df8da 100755
--- a/Changes
+++ b/Changes
@@ -15,6 +15,8 @@
           proxy by default.
         - Establish 'after_search_results' content part.
         - Establish 'after_search' hook.
+        - Recommend log in on zero matches in search results
+          in case not logged in (addresses #67).
 
 0.37 2020-01-16
         - Removed deprecated 'kalamar_test_port' helper.
diff --git a/dev/scss/main/main.scss b/dev/scss/main/main.scss
index f1d0048..67b48fa 100644
--- a/dev/scss/main/main.scss
+++ b/dev/scss/main/main.scss
@@ -52,6 +52,11 @@
       }
     }
   }
+
+  p.hint {
+    margin: 0 auto;
+    text-align: center;
+  }
 }
 
 blockquote {
diff --git a/lib/Kalamar/Plugin/Auth.pm b/lib/Kalamar/Plugin/Auth.pm
index b9c97f8..070ad32 100644
--- a/lib/Kalamar/Plugin/Auth.pm
+++ b/lib/Kalamar/Plugin/Auth.pm
@@ -75,7 +75,8 @@
           registerSuccess => 'Registrierung erfolgreich',
           registerFail => 'Registrierung fehlgeschlagen',
           oauthSettings => 'OAuth',
-          oauthUnregister => 'Möchten sie <span class="client-name"><%= $clientName %></span> wirklich löschen?'
+          oauthUnregister => 'Möchten sie <span class="client-name"><%= $clientName %></span> wirklich löschen?',
+          loginHint => 'Möglicherweise müssen sie sich zunächst einloggen.'
         },
         -en => {
           loginSuccess => 'Login successful',
@@ -102,6 +103,7 @@
           registerFail => 'Registration denied',
           oauthSettings => 'OAuth',
           oauthUnregister => 'Do you really want to unregister <span class="client-name"><%= $clientName %></span>?',
+          loginHint => 'Maybe you need to log in first?'
         }
       }
     }
@@ -123,6 +125,24 @@
     }
   );
 
+
+  # Add hook after search
+  $app->hook(
+    after_search => sub {
+      my $c = shift;
+
+      # User is not logged in
+      if ($c->stash('results')->size == 0 && !$c->auth->token) {
+        $c->content_for(
+          'after_search_results' =>
+            $c->render_to_string(
+              inline => '<p class="hint"><%= loc "Auth_loginHint" %></p>'
+            )
+          );
+      };
+    }
+  );
+
   # The plugin path
   my $path = catdir(dirname(__FILE__), 'Auth');
 
diff --git a/t/fixtures/response_query_paum_o0_c25.json b/t/fixtures/response_query_paum_o0_c25.json
new file mode 100644
index 0000000..ca9ebba
--- /dev/null
+++ b/t/fixtures/response_query_paum_o0_c25.json
@@ -0,0 +1,41 @@
+{
+  "status" : 200,
+  "json" : {
+    "@context" : "http://korap.ids-mannheim.de/ns/KoralQuery/v0.3/context.jsonld",
+    "meta" :  {
+      "count" : 25,
+      "startIndex" : 0,
+      "authorized" : null,
+      "timeout" : 120000,
+      "context" : {
+        "left" : ["token",40],
+        "right" : ["token",40]
+      },
+      "fields" : ["pubDate","subTitle","author","pubPlace","title","textSigle","UID","ID","layerInfos","corpusSigle","docSigle","corpusID","textClass"],
+      "version" : "0.55.7",
+      "benchmark" : "0.120577834 s",
+      "totalResults" : 0,
+      "serialQuery" : "tokens:s:Paum",
+      "itemsPerPage" : 25
+    },
+    "query" : {
+      "@type" : "koral:token",
+      "wrap" : {
+        "@type" : "koral:term",
+        "layer" : "orth",
+        "key" : "Baum",
+        "match" : "match:eq",
+        "foundry" : "opennlp",
+        "rewrites" : [
+          {
+            "@type" : "koral:rewrite",
+            "src" : "Kustvakt",
+            "operation" : "operation:injection",
+            "scope" : "foundry"
+          }
+        ]
+      }
+    },
+    "matches" : []
+  }
+}
diff --git a/t/plugin/auth-oauth.t b/t/plugin/auth-oauth.t
index b211eab..802f9d2 100644
--- a/t/plugin/auth-oauth.t
+++ b/t/plugin/auth-oauth.t
@@ -213,6 +213,15 @@
   ->element_exists('div.button.top a.logout[title~="test"]')
   ;
 
+$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\"\:\"yes\"/)
+  ->element_exists_not('p.hint')
+  ;
+
+
 # Logout
 $t->get_ok('/user/logout')
   ->status_is(302)
@@ -237,6 +246,15 @@
   ->content_like(qr/\"authorized\"\: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/)
+  ->text_is('p.hint', 'Maybe you need to log in first?')
+  ;
+
+
 # Get redirect
 my $fwd = $t->get_ok('/?q=Baum&ql=poliqarp')
   ->status_is(200)