diff --git a/tests/bufrdc_ref.sh b/tests/bufrdc_ref.sh
index aeba94f65..c593bf3b8 100755
--- a/tests/bufrdc_ref.sh
+++ b/tests/bufrdc_ref.sh
@@ -31,7 +31,8 @@ do
   ${tools_dir}bufr_filter bufrdc_num_ref.filter $file 2> $REDIRECT > $res_num
 
   # Cannot use plain diff. We need to compare FLOAT NUMBERS with a tolerance
-  perl number_compare.pl $ref_num $res_num >$REDIRECT 2> $REDIRECT
+  # perl number_compare.pl $ref_num $res_num >$REDIRECT 2> $REDIRECT
+  numdiff $ref_num $res_num >$REDIRECT 2> $REDIRECT
 
 
 done