diff --git a/ipin/StepLoggerWrapperAndroid.h b/ipin/StepLoggerWrapperAndroid.h
index 9ae48ab..a72fc63 100644
--- a/ipin/StepLoggerWrapperAndroid.h
+++ b/ipin/StepLoggerWrapperAndroid.h
@@ -50,7 +50,7 @@ private:
 
 #ifdef ANDROID
 		//Log::add("SLWA", "calling android with lon/lat/floor");
-		int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/StepLoggerClient", "log", "(DDD)I", x, y, z);
+        int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/StepLoggerClient", "log", "(DDD)I", x, y, std::round(z));
 		//if (res != 1337) {throw Exception("invalid return code while sending the current position to StepLogger.\nService Down?");}
 #endif
 
diff --git a/nav/Filter.h b/nav/Filter.h
index dcc8080..9f8784b 100644
--- a/nav/Filter.h
+++ b/nav/Filter.h
@@ -205,7 +205,7 @@ public:
 		const WiFiMeasurements wifiObs = vg.group(_observation.wifi);
 		const int numAP2 = wifiObs.entries.size();
 
-		Log::add("Filter", "VAP: " + std::to_string(numAP1) + " -> " + std::to_string(numAP2));
+        //Log::add("Filter", "VAP: " + std::to_string(numAP1) + " -> " + std::to_string(numAP2));
 
 		// sanity check
 		Assert::equal((int)particles.size(), Settings::numParticles, "number of particles does not match the settings!");
diff --git a/nav/NavController.h b/nav/NavController.h
index 477d9bf..32327ce 100644
--- a/nav/NavController.h
+++ b/nav/NavController.h
@@ -288,7 +288,7 @@ private:
 			const Timestamp tsDiff = ts2-ts1;
 			const QString filterTime = QString::number(tsDiff.ms());
 			avgSum += tsDiff.ms(); ++avgCount;
-			Log::add("xxx", "ts:" + std::to_string(curObs.currentTime.ms()) + " avg:" + std::to_string(avgSum/avgCount));
+            //Log::add("xxx", "ts:" + std::to_string(curObs.currentTime.ms()) + " avg:" + std::to_string(avgSum/avgCount));
 			QMetaObject::invokeMethod(mainController->getInfoWidget(), "showFilterTime", Qt::QueuedConnection, Q_ARG(const QString&, filterTime));
 			return true;
 
@@ -309,7 +309,7 @@ private:
 
 		//lastEst = curEst;
 		curEst = pf->update(&curCtrl, curObs);
-		Log::add("Nav", "cur est: " + curEst.position.asString());
+        //Log::add("Nav", "cur est: " + curEst.position.asString());
 
 		// inform listeners about the new estimation
 		for (NavControllerListener* l : listeners) {l->onNewEstimation(curEst.position.inMeter());}
diff --git a/sensors/StepSensor.h b/sensors/StepSensor.h
index 08ce035..11e6858 100644
--- a/sensors/StepSensor.h
+++ b/sensors/StepSensor.h
@@ -4,6 +4,7 @@
 #include <Indoor/sensors/imu/StepDetection.h>
 #include "AccelerometerSensor.h"
 
+#include <Indoor/misc/Debug.h>
 
 struct StepData {
 	const int stepsSinceLastEvent = 0;
@@ -45,6 +46,7 @@ public:
 		const bool step = sd.add(ts, data);
 		if (step) {
 			informListeners(ts, StepData(1));
+            Log::add("Step", "Step Detected!" + std::to_string(ts.ms()));
 		}
 	}