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-rwxr-xr-xtools/test.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/test.sh b/tools/test.sh
index c02b784..c5e5b37 100755
--- a/tools/test.sh
+++ b/tools/test.sh
@@ -137,7 +137,7 @@ once() {
 
 	if test -s $out
 	then
-		$qemu $exe a b c | diff - $out
+		$qemu $exe a b c | diff -u - $out
 		ret=$?
 		reason="output"
 	else