diff --git a/python/converters/converter_tools.py b/python/converters/converter_tools.py
index 04515c60..bd435656 100644
--- a/python/converters/converter_tools.py
+++ b/python/converters/converter_tools.py
@@ -19,6 +19,7 @@
 # TRIQS. If not, see <http://www.gnu.org/licenses/>.
 #
 ################################################################################
+from pytriqs.cmake_info import hdf5_command_path
         
 class ConverterTools:
 
@@ -32,7 +33,7 @@ class ConverterTools:
             for x in line.split(): yield string.atof(x)
 
 
-    def __repack(self):
+    def repack(self):
         """Calls the h5repack routine, in order to reduce the file size of the hdf5 archive.
            Should only be used BEFORE the first invokation of HDFArchive in the program, otherwise
            the hdf5 linking is broken!!!"""
@@ -42,8 +43,8 @@ class ConverterTools:
         if not (mpi.is_master_node()): return
         mpi.report("Repacking the file %s"%self.hdf_file)
 
-        retcode = subprocess.call(["h5repack","-i%s"%self.hdf_file, "-otemphgfrt.h5"])
-        if (retcode!=0):
+        retcode = subprocess.call([hdf5_command_path+"/h5repack","-i%s"%self.hdf_file,"-otemphgfrt.h5"])
+        if retcode != 0:
             mpi.report("h5repack failed!")
         else:
             subprocess.call(["mv","-f","temphgfrt.h5","%s"%self.hdf_file])
diff --git a/python/converters/hk_converter.py b/python/converters/hk_converter.py
index be0a67ea..7c7ef3c5 100644
--- a/python/converters/hk_converter.py
+++ b/python/converters/hk_converter.py
@@ -47,7 +47,7 @@ class HkConverter(ConverterTools):
         # Checks if h5 file is there and repacks it if wanted:
         import os.path
         if (os.path.exists(self.hdf_file) and repacking):
-            ConverterTools.__repack(self)
+            ConverterTools.repack(self)
 
 
     def convert_dmft_input(self, first_real_part_matrix = True, only_upper_triangle = False, weights_in_file = False):
diff --git a/python/converters/wien2k_converter.py b/python/converters/wien2k_converter.py
index 845933ec..89fa221f 100644
--- a/python/converters/wien2k_converter.py
+++ b/python/converters/wien2k_converter.py
@@ -57,7 +57,7 @@ class Wien2kConverter(ConverterTools):
         # Checks if h5 file is there and repacks it if wanted:
         import os.path
         if (os.path.exists(self.hdf_file) and repacking):
-            ConverterTools.__repack(self)
+            ConverterTools.repack(self)
         
 
     def convert_dmft_input(self):