diff --git a/builtin/commit.c b/builtin/commit.c
index cd455aa36..0a78e7649 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -596,32 +596,47 @@ static char *cut_ident_timestamp_part(char *string)
 /*
  * Inspect sb and determine the true "end" of the log message, in
  * order to find where to put a new Signed-off-by: line.  Ignored are
- * trailing "Conflict:" block.
+ * trailing comment lines and blank lines, and also the traditional
+ * "Conflicts:" block that is not commented out, so that we can use
+ * "git commit -s --amend" on an existing commit that forgot to remove
+ * it.
  *
  * Returns the number of bytes from the tail to ignore, to be fed as
  * the second parameter to append_signoff().
  */
 static int ignore_non_trailer(struct strbuf *sb)
 {
-	int ignore_footer = 0;
-	int i, eol, previous = 0;
-	const char *nl;
+	int boc = 0;
+	int bol = 0;
+	int in_old_conflicts_block = 0;
 
-	for (i = 0; i < sb->len; i++) {
-		nl = memchr(sb->buf + i, '\n', sb->len - i);
-		if (nl)
-			eol = nl - sb->buf;
+	while (bol < sb->len) {
+		char *next_line;
+
+		if (!(next_line = memchr(sb->buf + bol, '\n', sb->len - bol)))
+			next_line = sb->buf + sb->len;
 		else
-			eol = sb->len;
-		if (!prefixcmp(sb->buf + previous, "\nConflicts:\n")) {
-			ignore_footer = sb->len - previous;
-			break;
+			next_line++;
+
+		if (sb->buf[bol] == comment_line_char || sb->buf[bol] == '\n') {
+			/* is this the first of the run of comments? */
+			if (!boc)
+				boc = bol;
+			/* otherwise, it is just continuing */
+		} else if (!prefixcmp(sb->buf + bol, "Conflicts:\n")) {
+			in_old_conflicts_block = 1;
+			if (!boc)
+				boc = bol;
+		} else if (in_old_conflicts_block && sb->buf[bol] == '\t') {
+			; /* a pathname in the conflicts block */
+		} else if (boc) {
+			/* the previous was not trailing comment */
+			boc = 0;
+			in_old_conflicts_block = 0;
 		}
-		while (i < eol)
-			i++;
-		previous = eol;
+		bol = next_line - sb->buf;
 	}
-	return ignore_footer;
+	return boc ? sb->len - boc : 0;
 }
 
 static int prepare_to_commit(const char *index_file, const char *prefix,
diff --git a/sequencer.c b/sequencer.c
index 0f84bbeac..1d97da3ca 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -291,13 +291,12 @@ void append_conflicts_hint(struct strbuf *msgbuf)
 {
 	int i;
 
-	strbuf_addstr(msgbuf, "\nConflicts:\n");
+	strbuf_addch(msgbuf, '\n');
+	strbuf_commented_addf(msgbuf, "Conflicts:\n");
 	for (i = 0; i < active_nr;) {
 		const struct cache_entry *ce = active_cache[i++];
 		if (ce_stage(ce)) {
-			strbuf_addch(msgbuf, '\t');
-			strbuf_addstr(msgbuf, ce->name);
-			strbuf_addch(msgbuf, '\n');
+			strbuf_commented_addf(msgbuf, "\t%s\n", ce->name);
 			while (i < active_nr && !strcmp(ce->name,
 							active_cache[i]->name))
 				i++;
diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh
index 223b98433..7c5ad0862 100755
--- a/t/t3507-cherry-pick-conflict.sh
+++ b/t/t3507-cherry-pick-conflict.sh
@@ -351,19 +351,45 @@ test_expect_success 'commit after failed cherry-pick does not add duplicated -s'
 test_expect_success 'commit after failed cherry-pick adds -s at the right place' '
 	pristine_detach initial &&
 	test_must_fail git cherry-pick picked &&
+
 	git commit -a -s &&
-	pwd &&
-	cat <<EOF > expected &&
-picked
 
-Signed-off-by: C O Mitter <committer@example.com>
+	# Do S-o-b and Conflicts appear in the right order?
+	cat <<-\EOF >expect &&
+	Signed-off-by: C O Mitter <committer@example.com>
+	# Conflicts:
+	EOF
+	grep -e "^# Conflicts:" -e '^Signed-off-by' <.git/COMMIT_EDITMSG >actual &&
+	test_cmp expect actual &&
+
+	cat <<-\EOF >expected &&
+	picked
 
-Conflicts:
-	foo
-EOF
+	Signed-off-by: C O Mitter <committer@example.com>
+	EOF
 
-	git show -s --pretty=format:%B > actual &&
+	git show -s --pretty=format:%B >actual &&
 	test_cmp expected actual
 '
 
+test_expect_success 'commit --amend -s places the sign-off at the right place' '
+	pristine_detach initial &&
+	test_must_fail git cherry-pick picked &&
+
+	# emulate old-style conflicts block
+	mv .git/MERGE_MSG .git/MERGE_MSG+ &&
+	sed -e "/^# Conflicts:/,\$s/^# *//" <.git/MERGE_MSG+ >.git/MERGE_MSG &&
+
+	git commit -a &&
+	git commit --amend -s &&
+
+	# Do S-o-b and Conflicts appear in the right order?
+	cat <<-\EOF >expect &&
+	Signed-off-by: C O Mitter <committer@example.com>
+	Conflicts:
+	EOF
+	grep -e "^Conflicts:" -e '^Signed-off-by' <.git/COMMIT_EDITMSG >actual &&
+	test_cmp expect actual
+'
+
 test_done