diff --git a/Code/bin/classes/net/ldmf/sensorsdk/SensorSDK.class b/Code/bin/classes/net/ldmf/sensorsdk/SensorSDK.class
index 0cdfb44..757a6ed 100644
Binary files a/Code/bin/classes/net/ldmf/sensorsdk/SensorSDK.class and b/Code/bin/classes/net/ldmf/sensorsdk/SensorSDK.class differ
diff --git a/Code/bin/sensorsdk.jar b/Code/bin/sensorsdk.jar
index aaf2310..7ae1398 100644
Binary files a/Code/bin/sensorsdk.jar and b/Code/bin/sensorsdk.jar differ
diff --git a/Code/src/net/ldmf/sensorsdk/SensorSDK.java b/Code/src/net/ldmf/sensorsdk/SensorSDK.java
index 44f0c0c..4a6652d 100644
--- a/Code/src/net/ldmf/sensorsdk/SensorSDK.java
+++ b/Code/src/net/ldmf/sensorsdk/SensorSDK.java
@@ -123,6 +123,7 @@ public boolean isSensorExist(int type) {
 		boolean exist = false;
 		for (Sensor s : allSensors) {
 			if (s.getType() == type) {
+				exist = true;
 				break;
 			}
 		}