diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..0d03a58
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,2 @@
+[flake8]
+extend-ignore = E501
\ No newline at end of file
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..d41942c
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,19 @@
+default_language_version:
+    python: python3.10
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-yaml
+      - id: check-docstring-first
+
+  - repo: local
+    hooks:
+      - id: flake8
+        name: flake8
+        entry: flake8
+        language: conda
+        types: [python]
+        always_run: true
\ No newline at end of file
diff --git a/organize_photos.py b/organize_photos.py
index c1ca2ab..e4c613c 100644
--- a/organize_photos.py
+++ b/organize_photos.py
@@ -60,6 +60,6 @@ if __name__ == '__main__':
         image_dir = Path(image_dir)
 
     if not extensions:
-        extensions = '*.[pPjJrRhH][nNpPaAeE][gGeEwWiI]*'
+        extensions = '*.[pPjJrRhHoO][nNpPaAeErR][gGeEwWiIfF]*'
 
     main(image_dir=image_dir, extensions=extensions)