diff --git a/app/src/main/java/com/codigoparallevar/minicards/parts/android/CameraStreamer.java b/app/src/main/java/com/codigoparallevar/minicards/parts/android/CameraStreamer.java
index 9aff9b7..548ead1 100644
--- a/app/src/main/java/com/codigoparallevar/minicards/parts/android/CameraStreamer.java
+++ b/app/src/main/java/com/codigoparallevar/minicards/parts/android/CameraStreamer.java
@@ -69,6 +69,8 @@ public class CameraStreamer implements Part {
     private ImageReader imageReader = null;
     private HandlerThread _thread = null;
     private Handler _handler = null;
+    private static final int CAPTURE_IMAGE_WIDTH = 256;
+    private static final int CAPTURE_IMAGE_HEIGHT = 256;
 
     private CameraStreamer(String id, PartGrid partGrid, int left, int top, int right, int bottom) {
         _id = id;
@@ -335,10 +337,14 @@ public class CameraStreamer implements Part {
             }
         }
 
-        this.imageReader = ImageReader.newInstance(100, 100, ImageFormat.JPEG, 30);
+        this.imageReader = ImageReader.newInstance(CAPTURE_IMAGE_WIDTH, CAPTURE_IMAGE_HEIGHT, ImageFormat.JPEG, 30);
         this.imageReader.setOnImageAvailableListener((ImageReader.OnImageAvailableListener) newImageReader -> {
             Image latestImage = newImageReader.acquireLatestImage();
 
+            if (latestImage == null) {
+                return;
+            }
+
             CameraStreamer.this.onNewImage(latestImage);
             latestImage.close();
         }, new Handler());