diff --git a/FastttCamera/FastttCamera.m b/FastttCamera/FastttCamera.m
index 75a2213..4361c4f 100644
--- a/FastttCamera/FastttCamera.m
+++ b/FastttCamera/FastttCamera.m
@@ -529,6 +529,7 @@ - (void)_takePhoto
                                                    completionHandler:^(CMSampleBufferRef imageDataSampleBuffer, NSError *error)
      {
          if (!imageDataSampleBuffer) {
+             [self cancelImageProcessing];
              return;
          }