diff --git a/app/src/main/java/com/simplemobiletools/camera/activities/MainActivity.java b/app/src/main/java/com/simplemobiletools/camera/activities/MainActivity.java
index c9ef4c3f..9a2c435b 100644
--- a/app/src/main/java/com/simplemobiletools/camera/activities/MainActivity.java
+++ b/app/src/main/java/com/simplemobiletools/camera/activities/MainActivity.java
@@ -16,6 +16,7 @@ import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
 import android.media.MediaScannerConnection;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.MediaStore;
@@ -159,10 +160,10 @@ public class MainActivity extends SimpleActivity
         setContentView(R.layout.activity_main);
         ButterKnife.bind(this);
 
-        if (Utils.hasNavBar(getResources())) {
+        if (Utils.hasNavBar(getResources()) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
             final View btnLayout = findViewById(R.id.btn_holder);
-            final int bottomMargin = (int) getResources().getDimension(R.dimen.preview_btn_margin);
-            ((RelativeLayout.LayoutParams) btnLayout.getLayoutParams()).setMargins(0, 0, 0, bottomMargin);
+            final RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams) btnLayout.getLayoutParams();
+            lp.setMargins(0, 0, 0, lp.bottomMargin + Utils.getNavBarHeight(getResources()));
         }
 
         mCurrCamera = mConfig.getLastUsedCamera();
diff --git a/app/src/main/res/values-sw600dp/dimens.xml b/app/src/main/res/values-sw600dp/dimens.xml
index 1b70fba3..fef0a1d0 100644
--- a/app/src/main/res/values-sw600dp/dimens.xml
+++ b/app/src/main/res/values-sw600dp/dimens.xml
@@ -3,7 +3,6 @@
     <dimen name="settings_padding">12dp</dimen>
     <dimen name="social_padding">12dp</dimen>
     <dimen name="social_logo">50dp</dimen>
-    <dimen name="preview_btn_margin">32dp</dimen>
 
     <dimen name="normal_text_size">18sp</dimen>
 </resources>
diff --git a/app/src/main/res/values-v21/dimens.xml b/app/src/main/res/values-v21/dimens.xml
deleted file mode 100644
index f7fa1624..00000000
--- a/app/src/main/res/values-v21/dimens.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<resources>
-    <dimen name="preview_btn_margin">64dp</dimen>
-</resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index d6ac605c..ef09136e 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -1,6 +1,5 @@
 <resources>
     <dimen name="activity_margin">16dp</dimen>
-    <dimen name="preview_btn_margin">32dp</dimen>
     <dimen name="side_icon_padding">12dp</dimen>
     <dimen name="side_preview_padding">8dp</dimen>
     <dimen name="icon_size">56dp</dimen>