diff --git a/src/containers/slider-monitor.jsx b/src/containers/slider-monitor.jsx
index b6f43eed5..f818a07bd 100644
--- a/src/containers/slider-monitor.jsx
+++ b/src/containers/slider-monitor.jsx
@@ -15,7 +15,7 @@ class SliderMonitor extends React.Component {
         ]);
 
         this.state = {
-            value: Number(props.value)
+            value: props.value
         };
     }
     componentWillReceiveProps (nextProps) {
diff --git a/src/lib/monitor-adapter.js b/src/lib/monitor-adapter.js
index a1d2237c7..d7bdd304e 100644
--- a/src/lib/monitor-adapter.js
+++ b/src/lib/monitor-adapter.js
@@ -28,6 +28,16 @@ export default function ({id, spriteName, opcode, params, value}) {
     if (typeof value === 'number') {
         value = Number(value.toFixed(6));
     }
-    
+
+    // Turn the value to a string, for handle boolean values
+    if (typeof value === 'boolean') {
+        value = value.toString();
+    }
+
+    // Lists can contain booleans, which should also be turned to strings
+    if (Array.isArray(value)) {
+        value = value.map(item => item.toString());
+    }
+
     return {id, label, category, value};
 }