diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ServiceMonitor.java b/packages/SystemUI/src/com/android/systemui/statusbar/ServiceMonitor.java
index 602989aacadb1..db46dc64405f8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ServiceMonitor.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ServiceMonitor.java
@@ -272,7 +272,7 @@ public class ServiceMonitor {
 
     private static String bundleToString(Bundle bundle) {
         if (bundle == null) return null;
-        StringBuilder sb = new StringBuilder('{');
+        StringBuilder sb = new StringBuilder("{");
         for (String key : bundle.keySet()) {
             if (sb.length() > 1) sb.append(',');
             Object v = bundle.get(key);