diff --git a/app/client/log.js b/app/client/log.js
index e204342..ac9afd6 100644
--- a/app/client/log.js
+++ b/app/client/log.js
@@ -5,7 +5,8 @@ function sensor_data_collection() {
   }, {
     sort: {
       created_at: -1
-    }
+    },
+    limit: 100
   });
 }
 
diff --git a/app/client/state.js b/app/client/state.js
index 17b9edb..412a09a 100644
--- a/app/client/state.js
+++ b/app/client/state.js
@@ -20,7 +20,8 @@ function sensor_data_collection() {
   }, {
     sort: {
       created_at: -1
-    }
+    },
+    limit: 1
   });
 }