diff --git a/test_tube_scanner/planarian/templates/planarian/export_csv.html b/test_tube_scanner/planarian/templates/planarian/export_csv.html
index ab84f5f..d98b5e5 100644
--- a/test_tube_scanner/planarian/templates/planarian/export_csv.html
+++ b/test_tube_scanner/planarian/templates/planarian/export_csv.html
@@ -155,7 +155,7 @@
     }
 </style>
 {% else %}
-<div class="w3-container w3-padding-64 w3-margin" style="max-width:760px; margin:auto;">
+<div class="w3-container w3-padding-64" style="max-width:760px; margin:auto;">
     <h3 class="w3-panel w3-blue w3-round-xlarge w3-padding-64 w3-center"> {% trans "Choisir une session" %}</h3>
 </div>
 {% endif %}
diff --git a/test_tube_scanner/scanner/templates/scanner/images.html b/test_tube_scanner/scanner/templates/scanner/images.html
index 6ca5244..2c5862d 100644
--- a/test_tube_scanner/scanner/templates/scanner/images.html
+++ b/test_tube_scanner/scanner/templates/scanner/images.html
@@ -31,6 +31,7 @@
 {% endblock %}
 
 {% block content %}
+{% if current_session and current_experiment %}
     <div id="image-grid">
     {% if images %}
         {% for img in images %}
@@ -50,6 +51,11 @@
         {% endfor %}
     {% endif %}
     </div>
+{% else %}
+<div class="w3-container w3-padding-64" style="max-width:760px; margin:auto;">
+    <h3 class="w3-panel w3-blue w3-round-xlarge w3-padding-64 w3-center"> {% trans "Choisir une session" %}</h3>
+</div>
+{% endif %}
 {% endblock %}
 {% block modal %}
     {% include "scanner/image-preview.html" %}
diff --git a/test_tube_scanner/scanner/templates/scanner/replay.html b/test_tube_scanner/scanner/templates/scanner/replay.html
index 784fb07..7ce51af 100644
--- a/test_tube_scanner/scanner/templates/scanner/replay.html
+++ b/test_tube_scanner/scanner/templates/scanner/replay.html
@@ -33,6 +33,7 @@
 {% endblock %}
 
 {% block content %}
+{% if current_session and current_experiment %}
     <div id="replay-grid" class="w3-black">
     {% if image %}
         <div class="w3-card-4 w3-border">
@@ -66,6 +67,11 @@
         </div>
     {% endif %}
     </div>
+ {% else %}
+<div class="w3-container w3-padding-64" style="max-width:760px; margin:auto;">
+    <h3 class="w3-panel w3-blue w3-round-xlarge w3-padding-64 w3-center"> {% trans "Choisir une session" %}</h3>
+</div>
+{% endif %}   
 {% endblock %}
 
 {% block js_footer %}