diff --git a/modules/launch_utils.py b/modules/launch_utils.py
index d8309efa0..a2cdc3738 100644
--- a/modules/launch_utils.py
+++ b/modules/launch_utils.py
@@ -403,6 +403,10 @@ def prepare_environment():
         run_pip("install ngrok", "ngrok")
         startup_timer.record("install ngrok")
 
+    if not is_installed('filetype') and args.use_mime_file_filtering_for_batch_from_dir:
+        run_pip("install filetype")
+        startup_timer.record("install filetype")
+
     os.makedirs(os.path.join(script_path, dir_repos), exist_ok=True)
 
     git_clone(assets_repo, repo_dir('stable-diffusion-webui-assets'), "assets", assets_commit_hash)
diff --git a/requirements.txt b/requirements.txt
index 56e6112c1..59a0f7c54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,4 +32,3 @@ torchdiffeq
 torchsde
 transformers==4.30.2
 pillow-avif-plugin==1.4.3
-filetype
diff --git a/requirements_versions.txt b/requirements_versions.txt
index 3560f3cfc..0306ce94f 100644
--- a/requirements_versions.txt
+++ b/requirements_versions.txt
@@ -33,4 +33,3 @@ torchsde==0.2.6
 transformers==4.30.2
 httpx==0.24.1
 pillow-avif-plugin==1.4.3
-filetype