diff --git a/napi5.c b/napi5.c
index 29dd38d5..b4f9e983 100644
--- a/napi5.c
+++ b/napi5.c
@@ -127,7 +127,12 @@ NXstatus CALLING_STYLE NX5closegroup (NXhandle fid);
   unsigned int vers_major, vers_minor, vers_release, am1 ;
   hid_t fapl;     
   int mdc_nelmts;
-  unsigned long rdcc_nelmts;
+#ifdef H5_WANT_H5_V1_4_COMPAT
+  int rdcc_nelmts;
+#else
+  size_t rdcc_nelmts;
+#endif
+
   size_t rdcc_nbytes;
   double rdcc_w0;
 
@@ -2102,6 +2107,7 @@ NXstatus CALLING_STYLE NX5closegroup (NXhandle fid);
 /*------------------------------------------------------------------------*/
 void NX5assignFunctions(pNexusFunction fHandle)
 {
+
       fHandle->nxclose=NX5close;
       fHandle->nxflush=NX5flush;
       fHandle->nxmakegroup=NX5makegroup;