diff --git a/bpm_ai_inference/ocr/tesseract.py b/bpm_ai_inference/ocr/tesseract.py
index ec6141c..b81637d 100644
--- a/bpm_ai_inference/ocr/tesseract.py
+++ b/bpm_ai_inference/ocr/tesseract.py
@@ -19,8 +19,6 @@
 
 logger = logging.getLogger(__name__)
 
-TESSDATA_DIR = "~/.bpm.ai/tessdata/"
-
 
 @cachable()
 class TesseractOCR(OCR):
@@ -32,8 +30,9 @@ class TesseractOCR(OCR):
     def __init__(self):
         if not has_pytesseract:
             raise ImportError('pytesseract is not installed')
-        os.makedirs(TESSDATA_DIR, exist_ok=True)
-        os.environ["TESSDATA_PREFIX"] = TESSDATA_DIR
+        self.tessdata_dir = os.path.join(os.getenv("BPM_AI_CACHE_DIR", os.path.join(os.path.expanduser("~"), ".cache", "bpm-ai")), "tessdata")
+        os.makedirs(self.tessdata_dir, exist_ok=True)
+        os.environ["TESSDATA_PREFIX"] = self.tessdata_dir
 
     @override
     async def _do_process(
@@ -82,12 +81,11 @@ def identify_image_language(self, image: Image) -> str:
         text = pytesseract.image_to_string(image)
         return indentify_language_iso_639_3(text) or "eng"
 
-    @staticmethod
-    def download_if_missing(lang: str):
+    def download_if_missing(self, lang: str):
         lang_file = f'{lang}.traineddata'
-        tessdata_file_path = os.path.join(TESSDATA_DIR, lang_file)
+        tessdata_file_path = os.path.join(self.tessdata_dir, lang_file)
         if not os.path.exists(tessdata_file_path):
-            logger.info(f'tesseract: {lang_file} not found in {TESSDATA_DIR}, downloading...')
+            logger.info(f'tesseract: {lang_file} not found in {self.tessdata_dir}, downloading...')
             download_url = f'https://github.com/tesseract-ocr/tessdata_best/raw/main/{lang_file}'
             urllib.request.urlretrieve(download_url, tessdata_file_path)
             logger.info(f'tesseract: Downloaded {lang_file} to tessdata directory')
diff --git a/bpm_ai_inference/translation/easy_nmt/easy_nmt.py b/bpm_ai_inference/translation/easy_nmt/easy_nmt.py
index fb7ee5e..473955b 100644
--- a/bpm_ai_inference/translation/easy_nmt/easy_nmt.py
+++ b/bpm_ai_inference/translation/easy_nmt/easy_nmt.py
@@ -73,8 +73,8 @@ def __init__(
         self.config = None
 
         if cache_folder is None:
-            if 'EASYNMT_CACHE' in os.environ:
-                cache_folder = os.environ['EASYNMT_CACHE']
+            if 'BPM_AI_CACHE_DIR' in os.environ:
+                cache_folder = os.path.join(os.environ['BPM_AI_CACHE_DIR'], 'easynmt_v2')
             else:
                 cache_folder = os.path.join(torch.hub._get_torch_home(), 'easynmt_v2')
         self._cache_folder = cache_folder