diff --git a/shimatta_kenkyusho/shimatta_modules/RandomFileName.py b/shimatta_kenkyusho/shimatta_modules/RandomFileName.py
index 279fe27..d457715 100644
--- a/shimatta_kenkyusho/shimatta_modules/RandomFileName.py
+++ b/shimatta_kenkyusho/shimatta_modules/RandomFileName.py
@@ -6,8 +6,13 @@ from django.utils.deconstruct import deconstructible
 @deconstructible
 class RandomFileName(object):
 	def __init__(self, path):
-		self.path = os.path.join(path, "%s%s")
+		self.path = os.path.join(path, "%s/%s/%s%s")
 
 	def __call__(self, _, filename):
 		extension = os.path.splitext(filename)[1]
-		return self.path % (uuid.uuid4(), extension)
\ No newline at end of file
+		file_uuid = uuid.uuid4()
+		uuid_str = str(file_uuid)
+		first_char = uuid_str[0]
+		second_char = uuid_str[1]
+
+		return self.path % (first_char, second_char, file_uuid, extension)