diff --git a/app/template_statistics/rest.py b/app/template_statistics/rest.py
index 78ae711e4..67b6e72d1 100644
--- a/app/template_statistics/rest.py
+++ b/app/template_statistics/rest.py
@@ -76,7 +76,10 @@ def get_template_statistics_for_7_days(limit_days, service_id):
     if not template_stats_by_id:
         stats = dao_get_template_usage(service_id, limit_days=limit_days)
         cache_values = dict([(x.template_id, x.count) for x in stats])
-        redis_store.set_hash_and_expire(cache_key, cache_values, current_app.config.get('EXPIRE_CACHE_IN_SECONDS', 600))
+        if cache_values:
+            redis_store.set_hash_and_expire(cache_key,
+                                            cache_values,
+                                            current_app.config.get('EXPIRE_CACHE_IN_SECONDS', 600))
     else:
         stats = dao_get_templates_for_cache(template_stats_by_id.items())
     return stats