diff --git a/android/src/main/java/org/reactnative/camera/RNCameraView.java b/android/src/main/java/org/reactnative/camera/RNCameraView.java
index cbdf444..13dbf83 100644
--- a/android/src/main/java/org/reactnative/camera/RNCameraView.java
+++ b/android/src/main/java/org/reactnative/camera/RNCameraView.java
@@ -286,7 +286,7 @@ public class RNCameraView extends CameraView implements LifecycleEventListener,
   }
 
   public void onFacesDetected(SparseArray<Map<String, Float>> facesReported, int sourceWidth, int sourceHeight, int sourceRotation) {
-    if (facesReported.size() != 0) {
+    if (facesReported != null) {
       RNCameraViewHelper.emitFacesDetectedEvent(this, facesReported, new ImageDimensions(sourceWidth, sourceHeight, sourceRotation, getFacing()));
     }
   }
diff --git a/android/src/main/java/org/reactnative/opencv/OpenCVProcessor.java b/android/src/main/java/org/reactnative/opencv/OpenCVProcessor.java
index 0ed2b1e..51ca5da 100644
--- a/android/src/main/java/org/reactnative/opencv/OpenCVProcessor.java
+++ b/android/src/main/java/org/reactnative/opencv/OpenCVProcessor.java
@@ -141,8 +141,8 @@ public class OpenCVProcessor {
     }
 
     public SparseArray<Map<String, Float>> detect(byte[] imageData, int width, int height, int rotation) {
-        SparseArray<Map<String, Float>> objects = new SparseArray();
         if (this.frame % 15 == 0) {
+            SparseArray<Map<String, Float>> objects = new SparseArray();
             Mat mat = new Mat((height / 2) + height, width, CvType.CV_8UC1);
             mat.put(0, 0, imageData);
 
@@ -158,9 +158,10 @@ public class OpenCVProcessor {
                     break;
             }
 
+            return objects;
         }
         this.frame++;
-        return objects;
+        return null;
     }
 
     private SparseArray<Map<String, Float>> detectFaces(Mat image, int rotation) {