diff --git a/OpenCVSample/Classes/OpenCVViewController/AbstractOCVViewController.m b/OpenCVSample/Classes/OpenCVViewController/AbstractOCVViewController.m
index 6606862..43bc94a 100644
--- a/OpenCVSample/Classes/OpenCVViewController/AbstractOCVViewController.m
+++ b/OpenCVSample/Classes/OpenCVViewController/AbstractOCVViewController.m
@@ -141,6 +141,9 @@ - (void)captureOutput:(AVCaptureFileOutput *)captureOutput didOutputSampleBuffer
     CVPixelBufferUnlockBaseAddress(imageBuffer, 0);
 
     [self didCaptureIplImage:workingCopy];
+    
+    if( workingCopy != NULL )
+        cvReleaseImage(&workingCopy);
 }