--- src/histocube/RSGISHistoCubeFileIO.cpp.orig	2018-05-21 10:47:11.000000000 +0200
+++ src/histocube/RSGISHistoCubeFileIO.cpp	2018-05-21 10:47:45.000000000 +0200
@@ -351,7 +351,7 @@
                 fileChuckSize = this->numOfFeats;
             }
             
-            hsize_t dimsDataChunkSize[] = { fileChuckSize, numBins };
+            hsize_t dimsDataChunkSize[] = {static_cast<hsize_t>(fileChuckSize), numBins };
             H5::DSetCreatPropList initParamsCubeLayer;
             initParamsCubeLayer.setChunk(2, dimsDataChunkSize);
             initParamsCubeLayer.setShuffle();