diff --git a/templates/admin/followup_graph.html.twig b/templates/admin/followup_graph.html.twig
index 7243954b..70446f5f 100644
--- a/templates/admin/followup_graph.html.twig
+++ b/templates/admin/followup_graph.html.twig
@@ -175,7 +175,7 @@
     const series = {{ series|json_encode|raw }};
     const followupIcons = {{ followup_icons|json_encode|raw }};
     const typeLabels = Object.assign({}, {{ followup_labels|json_encode|raw }});
-    const ctcCompletionSeries = {% if  ctc_completion_series is defined %}{{ ctc_completion_series|json_encode|raw }} {% endif %} | [];
+    const ctcCompletionSeries = {% if  ctc_completion_series is defined %}{{ ctc_completion_series|json_encode|raw }} {% else %} []{% endif %};
     document.addEventListener('DOMContentLoaded', function() {
         Object.keys(typeLabels).forEach(function(baseType) {
             const countData = (series[baseType + '_count'] || []).map(pt => ({ x: pt.date, y: pt.value }));
diff --git a/templates/admin/followup_theme_graph.html.twig b/templates/admin/followup_theme_graph.html.twig
index 865e43eb..ba81f145 100644
--- a/templates/admin/followup_theme_graph.html.twig
+++ b/templates/admin/followup_theme_graph.html.twig
@@ -481,8 +481,8 @@
     <script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
     
     <script>
-        const countData = {{ count_data|raw }};
-        const completionData = {{ completion_data|raw }};
+        const countData = {{ count_data|json_encode|raw }};
+        const completionData = {{ completion_data|json_encode|raw }};
         
         // Mettre à jour les statistiques
         function updateStats() {