diff --git a/commands/command_migrate_import.go b/commands/command_migrate_import.go
index 1d6d79fd..07e9d93d 100644
--- a/commands/command_migrate_import.go
+++ b/commands/command_migrate_import.go
@@ -172,6 +172,8 @@ func migrateImportCommand(cmd *cobra.Command, args []string) {
 
 			if ext := filepath.Ext(path); len(ext) > 0 {
 				exts.Add(fmt.Sprintf("*%s filter=lfs diff=lfs merge=lfs -text", ext))
+			} else {
+				exts.Add(fmt.Sprintf("/%s filter=lfs diff=lfs merge=lfs -text", path))
 			}
 
 			return &gitobj.Blob{
diff --git a/t/fixtures/migrate.sh b/t/fixtures/migrate.sh
index 13af3268..86e5b4e7 100755
--- a/t/fixtures/migrate.sh
+++ b/t/fixtures/migrate.sh
@@ -95,6 +95,8 @@ setup_local_branch_with_nested_gitattrs() {
 setup_single_local_branch_untracked() {
   set -e
 
+  local name="${1:-a.md}"
+
   reponame="single-local-branch-untracked"
 
   remove_and_create_local_repo "$reponame"
@@ -102,10 +104,10 @@ setup_single_local_branch_untracked() {
   git commit --allow-empty -m "initial commit"
 
   base64 < /dev/urandom | head -c 120 > a.txt
-  base64 < /dev/urandom | head -c 140 > a.md
+  base64 < /dev/urandom | head -c 140 > "$name"
 
-  git add a.txt a.md
-  git commit -m "add a.{txt,md}"
+  git add a.txt "$name"
+  git commit -m "add a.txt and $name"
 }
 
 # setup_single_local_branch_tracked creates a repository as follows:
diff --git a/t/t-migrate-import.sh b/t/t-migrate-import.sh
index ab1c1491..f45aa997 100755
--- a/t/t-migrate-import.sh
+++ b/t/t-migrate-import.sh
@@ -434,6 +434,31 @@ begin_test "migrate import (above)"
 )
 end_test
 
+begin_test "migrate import (above without extension)"
+(
+  set -e
+  setup_single_local_branch_untracked "just-b"
+
+  b_main_oid="$(calc_oid "$(git cat-file -p "refs/heads/main:just-b")")"
+  txt_main_oid="$(calc_oid "$(git cat-file -p "refs/heads/main:a.txt")")"
+
+  git lfs migrate import --above 121B
+  # Ensure that 'b', whose size is above our 121 byte threshold
+  # was converted into a git-lfs pointer by the migration.
+  assert_local_object "$b_main_oid" "140"
+  assert_pointer "refs/heads/main" "just-b" "$b_main_oid" "140"
+  refute_pointer "refs/heads/main" "a.txt" "$txt_main_oid" "120"
+  refute_local_object "$txt_main_oid" "120"
+
+  # The migration should have identified that /b is now tracked
+  # because it migrated it.
+  main_attrs="$(git cat-file -p "$main:.gitattributes")"
+
+  echo "$main_attrs" | grep -q "/just-b filter=lfs diff=lfs merge=lfs"
+  echo "$main_attrs" | grep -vq "*.txt filter=lfs diff=lfs merge=lfs"
+)
+end_test
+
 begin_test "migrate import (existing .gitattributes)"
 (
   set -e