diff --git a/Makefile b/Makefile
index 504931f1a3..37beb7320c 100644
--- a/Makefile
+++ b/Makefile
@@ -586,7 +586,6 @@ BUILT_INS += git-cherry$X
 BUILT_INS += git-cherry-pick$X
 BUILT_INS += git-format-patch$X
 BUILT_INS += git-fsck-objects$X
-BUILT_INS += git-get-tar-commit-id$X
 BUILT_INS += git-init$X
 BUILT_INS += git-merge-subtree$X
 BUILT_INS += git-show$X
@@ -929,6 +928,7 @@ BUILTIN_OBJS += builtin/fmt-merge-msg.o
 BUILTIN_OBJS += builtin/for-each-ref.o
 BUILTIN_OBJS += builtin/fsck.o
 BUILTIN_OBJS += builtin/gc.o
+BUILTIN_OBJS += builtin/get-tar-commit-id.o
 BUILTIN_OBJS += builtin/grep.o
 BUILTIN_OBJS += builtin/hash-object.o
 BUILTIN_OBJS += builtin/help.o
@@ -980,7 +980,6 @@ BUILTIN_OBJS += builtin/show-ref.o
 BUILTIN_OBJS += builtin/stripspace.o
 BUILTIN_OBJS += builtin/symbolic-ref.o
 BUILTIN_OBJS += builtin/tag.o
-BUILTIN_OBJS += builtin/tar-tree.o
 BUILTIN_OBJS += builtin/unpack-file.o
 BUILTIN_OBJS += builtin/unpack-objects.o
 BUILTIN_OBJS += builtin/update-index.o
diff --git a/builtin/tar-tree.c b/builtin/get-tar-commit-id.c
similarity index 100%
rename from builtin/tar-tree.c
rename to builtin/get-tar-commit-id.c