diff --git a/Source_Files/ximeaimager.cpp b/Source_Files/ximeaimager.cpp
index 6ea872f..c5852f2 100644
--- a/Source_Files/ximeaimager.cpp
+++ b/Source_Files/ximeaimager.cpp
@@ -218,7 +218,7 @@ double XimeaImager::autoExposure()
             m_imager.get_frame(m_buffer);
             m_imager.stop();
 
-            maxValueOfOneFrame=getMaxValueOfOneFrame(m_buffer,m_imager.get_band_count()*m_imager.get_sample_count());
+            maxValueOfOneFrame=getMaxValueOfOneFrame((short unsigned int*)m_imager.m_image.bp,m_imager.get_band_count()*m_imager.get_sample_count());
 
             if(maxValueOfOneFrame <= suitableMaxValue)
             {