diff --git a/nc_test/tst_addvar.c b/nc_test/tst_addvar.c
index f4010f8b7..fbf67e3f6 100644
--- a/nc_test/tst_addvar.c
+++ b/nc_test/tst_addvar.c
@@ -36,7 +36,7 @@ int main(int argc, char** argv) {
 
     printf("***** Reopening file...\t");
 
-    err = nc_open(FILENAME, NC_WRITE|NC_PNETCDF, comm, info &ncid); ERR;
+    err = nc_open_par(FILENAME, NC_WRITE|NC_PNETCDF, comm, info &ncid); ERR;
     if(err) {
 
     }