diff --git a/test_problems/surfkin/.cvsignore b/test_problems/surfkin/.cvsignore
index 1a45e2b1c..0e840135c 100644
--- a/test_problems/surfkin/.cvsignore
+++ b/test_problems/surfkin/.cvsignore
@@ -8,3 +8,5 @@ output.txt
 *.d
 .depends
 gri30.xml
+surfdemo.ilk
+surfkin.pdb
diff --git a/test_problems/surfkin/runtest b/test_problems/surfkin/runtest
index c87d005da..d13ee41dc 100755
--- a/test_problems/surfkin/runtest
+++ b/test_problems/surfkin/runtest
@@ -20,7 +20,7 @@ then
 fi
 
 
-diff output.txt output_blessed.txt > diff_test.out
+diff -w output.txt output_blessed.txt > diff_test.out
 retnStat=$?
 if [ $retnStat = "0" ]
 then