diff --git a/raptor_eagle_acqproc.cpp b/raptor_eagle_acqproc.cpp
index ca1934d..ce94f80 100644
--- a/raptor_eagle_acqproc.cpp
+++ b/raptor_eagle_acqproc.cpp
@@ -195,12 +195,11 @@ void RaptorEagleCCD::AcquisitionProcess::start(const std::shared_ptr<acq_params_
              *  SO ONE NEEDS TO WRITE IMAGE PER ROW WITH SKIPPING EXTRA PIXEL
              *  AT THE END OF EACH ROW
              */
-            auto ptr = _imageBuffer.get();
-            for (size_t i = 0; i < dimy; ++i) {
-                fits_write_img(fitsFilePtr, TUSHORT, i * dimx + 1, dimx, _imageBuffer.get(), &status);
+            for (int i = 0; i < dimy; ++i) {
+                fits_write_img(fitsFilePtr, TUSHORT, i * dimx + 1, dimx, _acqParams->imageBufferPtr, &status);
             }
         } else {
-            fits_write_img(fitsFilePtr, TUSHORT, 1, npix, (void*)_imageBuffer.get(), &status);
+            fits_write_img(fitsFilePtr, TUSHORT, 1, npix, _acqParams->imageBufferPtr, &status);
         }