diff --git a/test/test_address.sh b/test/test_address.sh
index 6c9e9b0..2588fcd 100755
--- a/test/test_address.sh
+++ b/test/test_address.sh
@@ -23,7 +23,7 @@ echo "xbyak"
 echo "compile nm_frame.cpp"
 $CXX $CFLAGS -DXBYAK_TEST nm_frame.cpp -o nm_frame
 ./nm_frame > x.lst
-diff ok.lst x.lst && echo "ok"
+diff -bB ok.lst x.lst && echo "ok"
 
 }
 
diff --git a/test/test_avx.sh b/test/test_avx.sh
index 647d4d3..e7740b0 100755
--- a/test/test_avx.sh
+++ b/test/test_avx.sh
@@ -48,4 +48,4 @@ echo "xbyak"
 echo "compile nm_frame.cpp"
 $CXX $CFLAGS -DXBYAK_TEST nm_frame.cpp -o nm_frame
 ./nm_frame | $FILTER > x.lst
-diff -B ok.lst x.lst && echo "ok"
+diff -bB ok.lst x.lst && echo "ok"
diff --git a/test/test_avx512.sh b/test/test_avx512.sh
index 01079f1..edb8ab3 100755
--- a/test/test_avx512.sh
+++ b/test/test_avx512.sh
@@ -35,4 +35,4 @@ echo "xbyak"
 echo "compile nm_frame.cpp"
 $CXX $CFLAGS -DXBYAK_TEST nm_frame.cpp -o nm_frame -DXBYAK_AVX512
 ./nm_frame | $FILTER > x.lst
-diff -B ok.lst x.lst && echo "ok"
+diff -bB ok.lst x.lst && echo "ok"
diff --git a/test/test_nm.sh b/test/test_nm.sh
index cda7d88..6f64e48 100755
--- a/test/test_nm.sh
+++ b/test/test_nm.sh
@@ -61,4 +61,4 @@ echo "xbyak"
 echo "compile nm_frame.cpp"
 $CXX $CFLAGS -DXBYAK_TEST nm_frame.cpp -o nm_frame
 ./nm_frame | $FILTER > x.lst
-diff -B ok.lst x.lst && echo "ok"
+diff -bB ok.lst x.lst && echo "ok"