diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7a3c2285f..12eed0fbd6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ if(WIN32)
 	set(ARMADILLO_LIBRARY_DIRS  "C:/linalg/bin")
 
 elseif(UNIX)
-	set(HDF5_ROOT /usr/local/ /usr) # there maybe more upto date library in these places
+	#set(HDF5_ROOT /usr/local/ /usr) # there maybe more upto date library in these places
 	include(GNUInstallDirs)
 	find_package(PkgConfig REQUIRED QUIET)
 endif()
@@ -36,8 +36,9 @@ if(ANDROID)
 endif()
 
 include(FindHDF5)
+#find_package(HDF5 REQUIRED)
 if(HDF5_VERSION VERSION_LESS ${H5CPP_VERSION})
-	message(FATAL_ERROR "-- !!! H5CPP examples require of HDF5 v${H5CPP_VERSION} or greater!!!")
+	message(FATAL_ERROR "-- !!! H5CPP examples require of HDF5 v${H5CPP_VERSION} or greater!!! Found version ${HDF5_VERSION}")
 else()
 	message("-- H5CPP ${PROJECT_VERSION} matches with minimum required HDF5 v${HDF5_VERSION}")
 endif()
diff --git a/h5cpp/H5Zpipeline_basic.hpp b/h5cpp/H5Zpipeline_basic.hpp
index 8bce47cce5..91b648619d 100644
--- a/h5cpp/H5Zpipeline_basic.hpp
+++ b/h5cpp/H5Zpipeline_basic.hpp
@@ -38,22 +38,35 @@ inline void h5::impl::basic_pipeline_t::read_chunk_impl( const hsize_t* offset,
 	size_t length = nbytes; // filter may changed this, think of compression
 	void *in = chunk0, *out=chunk1, *tmp = chunk1; // invariant: out must point to data block written
 	uint32_t filter_mask;
+	[[ maybe-unused ]] size_t chunk_length = block_size;
 //	for(int i=0; i<9; i++)
 //		std::cout << ((short*) in)[i] << " ";
 //	std::cout<<"\n";
 
 	switch( tail ){ // tail = index pointing to queue holding filters
-		case 0: // no filters, ( if blocking ) -> data == chunk0 otherwise directly from container 
-			H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk0);
+		case 0: // no filters, ( if blocking ) -> data == chunk0 otherwise directly from container
+		  #ifdef H5Dread_chunk
+		  H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk0, &chunk_length);
+		  #else
+		  H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk0);
+		  #enfdif
 			break;
 		case 1: // single filter
-			H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk1);
+		  #ifdef H5Dread_chunk
+		  H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk1, &chunk_length);
+		  #else
+		  H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk1);
+		  #endif
 			length = filter[0](chunk0, chunk1, nbytes, flags[0], cd_size[0], cd_values[0] );
 			break;
 		default: // more than one filter
 			throw std::runtime_error("filters not implemented yet...");
 			if( tail % 2 ){
-				H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk0);
+			  #ifdef H5Dread_chunk
+			  H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk0, &chunk_length);
+			  #else
+			  H5Dread_chunk(ds, dxpl, offset, &filter_mask, chunk0);
+			  #endif
 				for(int j=tail; j>0; j--){ // invariant: out == buffer holding final result
 					tmp = in, in = out, out = tmp;
 					length = filter[j](out,in,length, flags[j], cd_size[j], cd_values[j]);