diff --git a/app/corpora/json_routes.py b/app/corpora/json_routes.py
index 5ba4d7a2a49bd382b50771c4abc05189ea14e4b9..6a3b5f29f20fb3cbc37df63dea315f669a745e69 100644
--- a/app/corpora/json_routes.py
+++ b/app/corpora/json_routes.py
@@ -66,7 +66,7 @@ def get_stopwords():
     stopwords = {}
     for language in languages:
         stopwords[language] = nltk.corpus.stopwords.words(language)
-    stopwords['punctuation'] = list(punctuation) + ['—', '|', '–', '“', '„']
+    stopwords['punctuation'] = list(punctuation) + ['—', '|', '–', '“', '„', '--']
     stopwords['user_stopwords'] = []
     response_data = stopwords
     return response_data, 202
diff --git a/app/static/js/CorpusAnalysis/QueryBuilder.js b/app/static/js/CorpusAnalysis/QueryBuilder.js
index d226d3cce7a212bb7c180d292b1103076668b2b5..9163b4bc80e351514ecaa35f9e4d89626a424963 100644
--- a/app/static/js/CorpusAnalysis/QueryBuilder.js
+++ b/app/static/js/CorpusAnalysis/QueryBuilder.js
@@ -289,8 +289,8 @@ class ConcordanceQueryBuilder {
     this.elements.yourQueryContent = [];
     for (let element of this.elements.yourQuery.childNodes) {
       let queryElement = element.dataset.query;
-      queryElement = Utils.escape(queryElement);
-      if (queryElement !== 'undefined') {
+      if (queryElement !== undefined) {
+        queryElement = Utils.escape(queryElement);
         this.elements.yourQueryContent.push(queryElement);
       }
     }
diff --git a/app/templates/jobs/job.html.j2 b/app/templates/jobs/job.html.j2
index 51f2fc6daddd5c232997512433f8e9f00b6b2beb..45346cf8655603231d52005527947a487451d74e 100644
--- a/app/templates/jobs/job.html.j2
+++ b/app/templates/jobs/job.html.j2
@@ -152,24 +152,27 @@
 <script>
   let jobDisplay = new JobDisplay(document.querySelector('#job-display'));
   let deleteJobRequestElement = document.querySelector('#delete-job-request');
-  let jobLogButtonElement = document.querySelector('#job-log-button');
   let restartJobRequestElement = document.querySelector('#restart-job-request');
   deleteJobRequestElement.addEventListener('click', (event) => {
        Requests.jobs.entity.delete({{ job.hashid|tojson }});
     });
-  jobLogButtonElement.addEventListener('click', (event) => {
-    Requests.jobs.entity.log({{ job.hashid|tojson }})
-    .then(
-      (response) => {
-        response.json()
-          .then((json) => {
-            let jobLogModalElement = document.querySelector('#job-log-modal');
-            jobLogModalElement.querySelector('pre code').textContent = json.jobLog;
-          });
-      });
-  });
   restartJobRequestElement.addEventListener('click', (event) => {
       Requests.jobs.entity.restart({{ job.hashid|tojson }});
   });
+
+  if ({{ current_user.is_administrator()|tojson }}) {
+    let jobLogButtonElement = document.querySelector('#job-log-button');
+    jobLogButtonElement.addEventListener('click', (event) => {
+      Requests.jobs.entity.log({{ job.hashid|tojson }})
+      .then(
+        (response) => {
+          response.json()
+            .then((json) => {
+              let jobLogModalElement = document.querySelector('#job-log-modal');
+              jobLogModalElement.querySelector('pre code').textContent = json.jobLog;
+            });
+        });
+    });
+  }
 </script>
 {% endblock scripts %}