diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh
index 2ca9fb69d6..0c93d00bdd 100644
--- a/t/lib-rebase.sh
+++ b/t/lib-rebase.sh
@@ -47,9 +47,9 @@ set_fake_editor () {
 	action=pick
 	for line in $FAKE_LINES; do
 		case $line in
-		pick|squash|fixup|edit|reword|drop)
+		pick|p|squash|s|fixup|f|edit|e|reword|r|drop|d)
 			action="$line";;
-		exec*)
+		exec_*|x_*)
 			echo "$line" | sed 's/_/ /g' >> "$1";;
 		"#")
 			echo '# comment' >> "$1";;
diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 352a52e59d..d36ee4f807 100755
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -114,7 +114,7 @@ test_expect_success 'rebase -i with exec allows git commands in subdirs' '
 	git checkout master &&
 	mkdir subdir && (cd subdir &&
 	set_fake_editor &&
-	FAKE_LINES="1 exec_cd_subdir_&&_git_rev-parse_--is-inside-work-tree" \
+	FAKE_LINES="1 x_cd_subdir_&&_git_rev-parse_--is-inside-work-tree" \
 		git rebase -i HEAD^
 	)
 '
@@ -499,7 +499,7 @@ test_expect_success 'squash works as expected' '
 	git checkout -b squash-works no-conflict-branch &&
 	one=$(git rev-parse HEAD~3) &&
 	set_fake_editor &&
-	FAKE_LINES="1 squash 3 2" EXPECT_HEADER_COUNT=2 \
+	FAKE_LINES="1 s 3 2" EXPECT_HEADER_COUNT=2 \
 		git rebase -i HEAD~3 &&
 	test $one = $(git rev-parse HEAD~2)
 '
@@ -732,7 +732,7 @@ test_expect_success 'reword' '
 	git show HEAD^ | grep "D changed" &&
 	FAKE_LINES="reword 1 2 3 4" FAKE_COMMIT_MESSAGE="B changed" git rebase -i A &&
 	git show HEAD~3 | grep "B changed" &&
-	FAKE_LINES="1 reword 2 3 4" FAKE_COMMIT_MESSAGE="C changed" git rebase -i A &&
+	FAKE_LINES="1 r 2 pick 3 p 4" FAKE_COMMIT_MESSAGE="C changed" git rebase -i A &&
 	git show HEAD~2 | grep "C changed"
 '
 
@@ -758,7 +758,7 @@ test_expect_success 'rebase -i can copy notes over a fixup' '
 	git reset --hard n3 &&
 	git notes add -m"an earlier note" n2 &&
 	set_fake_editor &&
-	GIT_NOTES_REWRITE_MODE=concatenate FAKE_LINES="1 fixup 2" git rebase -i n1 &&
+	GIT_NOTES_REWRITE_MODE=concatenate FAKE_LINES="1 f 2" git rebase -i n1 &&
 	git notes show > output &&
 	test_cmp expect output
 '
@@ -1208,7 +1208,7 @@ rebase_setup_and_clean () {
 test_expect_success 'drop' '
 	rebase_setup_and_clean drop-test &&
 	set_fake_editor &&
-	FAKE_LINES="1 drop 2 3 drop 4 5" git rebase -i --root &&
+	FAKE_LINES="1 drop 2 3 d 4 5" git rebase -i --root &&
 	test E = $(git cat-file commit HEAD | sed -ne \$p) &&
 	test C = $(git cat-file commit HEAD^ | sed -ne \$p) &&
 	test A = $(git cat-file commit HEAD^^ | sed -ne \$p)