diff --git a/fsensor/build.gradle b/fsensor/build.gradle
index f803311..1084b45 100644
--- a/fsensor/build.gradle
+++ b/fsensor/build.gradle
@@ -7,11 +7,15 @@ android {
     compileSdkVersion 26
     buildToolsVersion '26.0.2'
 
+    lintOptions {
+        abortOnError false
+    }
+
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 26
-        versionCode 1
-        versionName "1.0"
+        versionCode 5
+        versionName "1.1.5"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
diff --git a/fsensor/src/main/java/com/kircherelectronics/fsensor/filter/fusion/OrientationFusion.java b/fsensor/src/main/java/com/kircherelectronics/fsensor/filter/fusion/OrientationFusion.java
index ba16fcb..394090b 100644
--- a/fsensor/src/main/java/com/kircherelectronics/fsensor/filter/fusion/OrientationFusion.java
+++ b/fsensor/src/main/java/com/kircherelectronics/fsensor/filter/fusion/OrientationFusion.java
@@ -245,8 +245,10 @@ protected Quaternion getGyroscopeRotationVector(Quaternion previousRotationVecto
     }
 
     protected void initializeRotationVectorGyroscopeIfRequired(Quaternion rotationVectorAccelerationMagnetic) {
-        rotationVectorGyroscope = new Quaternion(rotationVectorAccelerationMagnetic.getScalarPart(),
+        if(rotationVectorGyroscope == null) {
+            rotationVectorGyroscope = new Quaternion(rotationVectorAccelerationMagnetic.getScalarPart(),
                     rotationVectorAccelerationMagnetic.getVectorPart());
+        }
     }
 
     private float[] getFusedOrientation(float[] gyroscope) {
diff --git a/release/fsensor-release.aar b/release/fsensor-release.aar
index e710e65..c31b443 100644
Binary files a/release/fsensor-release.aar and b/release/fsensor-release.aar differ