diff --git a/app/corpora/views.py b/app/corpora/views.py
index 096e8957..2cc907d5 100644
--- a/app/corpora/views.py
+++ b/app/corpora/views.py
@@ -54,12 +54,14 @@ def corpus(corpus_id):
 def corpus_analysis(corpus_id):
     logger = logging.getLogger(__name__)
     corpus = Corpus.query.get_or_404(corpus_id)
+    corpus.status = 'start analysis'
     query = request.args.get('query')
     logger.warning('Query first: {}'.format(query))
     hits_per_page = request.args.get('hits_per_page', 30)
     context = request.args.get('context', 10)
     dl_form = QueryDownloadForm()
     form = QueryForm(hits_per_page=hits_per_page, context=context, query=query)
+    db.session.commit()
     if form.validate_on_submit():
         logger = logging.getLogger(__name__)
         logger.warning('Data has been sent!')
diff --git a/app/models.py b/app/models.py
index 4ccdd2ba..c7d5563a 100644
--- a/app/models.py
+++ b/app/models.py
@@ -442,6 +442,7 @@ class Corpus(db.Model):
     status = db.Column(db.String(16))
     title = db.Column(db.String(32))
     user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    analysis_ip = db.Column(db.String(16))
     # Relationships
     files = db.relationship('CorpusFile',
                             backref='corpus',
diff --git a/app/static/js/CorpusList.js b/app/static/js/CorpusList.js
index 5c52edf3..489e90a7 100644
--- a/app/static/js/CorpusList.js
+++ b/app/static/js/CorpusList.js
@@ -83,4 +83,6 @@ CorpusList.STATUS_COLORS = {"unprepared": "grey",
                             "preparable": "orange",
                             "preparing": "yellow",
                             "prepared": "green",
-                            "default": "red"};
+                            "start analysis": "yellow",
+                            "analysing": "green",
+                            "stop analysis": "red",                            "default": "red"};
diff --git a/app/templates/corpora/corpus.html.j2 b/app/templates/corpora/corpus.html.j2
index a686aac2..5362bf38 100644
--- a/app/templates/corpora/corpus.html.j2
+++ b/app/templates/corpora/corpus.html.j2
@@ -61,11 +61,13 @@
       statusElement.classList.remove(...Object.values(CorpusList.STATUS_COLORS));
       statusElement.classList.add(CorpusList.STATUS_COLORS[status] || CorpusList.STATUS_COLORS['default']);
       statusElement.innerText = status;
-      if (status === 'prepared') {
+      if (status === 'prepared' || status === 'start analysis' || status === 'analysing') {
         var analyseBtn = document.getElementById('analyse');
         analyseBtn.classList.remove('hide');
+      }
+      if (status === 'prepared' || status === 'start analysis' || status === 'analysing') {
         var prepareBtn = document.getElementById('prepare');
-        prepareBtn.classList.add('hide')
+        prepareBtn.classList.add('hide');
       }
     }
   }
diff --git a/migrations/versions/0aa38a7973c5_.py b/migrations/versions/0aa38a7973c5_.py
new file mode 100644
index 00000000..d242aaf5
--- /dev/null
+++ b/migrations/versions/0aa38a7973c5_.py
@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: 0aa38a7973c5
+Revises: 1210adfe1e34
+Create Date: 2019-11-06 09:33:46.296653
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '0aa38a7973c5'
+down_revision = '1210adfe1e34'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('corpora', sa.Column('analysis_ip', sa.String(length=16), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('corpora', 'analysis_ip')
+    # ### end Alembic commands ###