diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index a39e786f71..16aa99dc0d 100755
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -95,7 +95,7 @@ test_expect_success 'extra headers' '
 	git config --add format.headers "Cc: S. E. Cipient <scipient@example.com>
 " &&
 	git format-patch --stdout master..side > patch2 &&
-	sed -e "/^$/Q" patch2 > hdrs2 &&
+	sed -e "/^$/q" patch2 > hdrs2 &&
 	grep "^To: R. E. Cipient <rcipient@example.com>$" hdrs2 &&
 	grep "^Cc: S. E. Cipient <scipient@example.com>$" hdrs2
 	
@@ -106,7 +106,7 @@ test_expect_success 'extra headers without newlines' '
 	git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
 	git config --add format.headers "Cc: S. E. Cipient <scipient@example.com>" &&
 	git format-patch --stdout master..side >patch3 &&
-	sed -e "/^$/Q" patch3 > hdrs3 &&
+	sed -e "/^$/q" patch3 > hdrs3 &&
 	grep "^To: R. E. Cipient <rcipient@example.com>$" hdrs3 &&
 	grep "^Cc: S. E. Cipient <scipient@example.com>$" hdrs3
 	
@@ -117,7 +117,7 @@ test_expect_success 'extra headers with multiple To:s' '
 	git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
 	git config --add format.headers "To: S. E. Cipient <scipient@example.com>" &&
 	git format-patch --stdout master..side > patch4 &&
-	sed -e "/^$/Q" patch4 > hdrs4 &&
+	sed -e "/^$/q" patch4 > hdrs4 &&
 	grep "^To: R. E. Cipient <rcipient@example.com>,$" hdrs4 &&
 	grep "^ *S. E. Cipient <scipient@example.com>$" hdrs4
 '
@@ -125,7 +125,7 @@ test_expect_success 'extra headers with multiple To:s' '
 test_expect_success 'additional command line cc' '
 
 	git config --replace-all format.headers "Cc: R. E. Cipient <rcipient@example.com>" &&
-	git format-patch --cc="S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^$/Q" >patch5 &&
+	git format-patch --cc="S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^$/q" >patch5 &&
 	grep "^Cc: R. E. Cipient <rcipient@example.com>,$" patch5 &&
 	grep "^ *S. E. Cipient <scipient@example.com>$" patch5
 '