diff --git a/bulkredditdownloader/resource.py b/bulkredditdownloader/resource.py
index e408de2..a944b3d 100644
--- a/bulkredditdownloader/resource.py
+++ b/bulkredditdownloader/resource.py
@@ -43,10 +43,13 @@ class Resource:
             content = self.retry_download(self.url, 0)
             if content:
                 self.content = content
-                self.hash = hashlib.md5(self.content)
+                self.create_hash()
             else:
                 raise BulkDownloaderException('Could not download resource')
 
+    def create_hash(self):
+        self.hash = hashlib.md5(self.content)
+
     def _determine_extension(self) -> str:
         extension_pattern = r'.*(\..{3,5})$'
         match = re.search(extension_pattern, self.url)
diff --git a/bulkredditdownloader/site_downloaders/self_post.py b/bulkredditdownloader/site_downloaders/self_post.py
index 749a824..265a321 100644
--- a/bulkredditdownloader/site_downloaders/self_post.py
+++ b/bulkredditdownloader/site_downloaders/self_post.py
@@ -5,8 +5,8 @@ from typing import Optional
 
 from praw.models import Submission
 
-from bulkredditdownloader.site_authenticator import SiteAuthenticator
 from bulkredditdownloader.resource import Resource
+from bulkredditdownloader.site_authenticator import SiteAuthenticator
 from bulkredditdownloader.site_downloaders.base_downloader import BaseDownloader
 
 logger = logging.getLogger(__name__)
@@ -18,8 +18,9 @@ class SelfPost(BaseDownloader):
 
     def find_resources(self, authenticator: Optional[SiteAuthenticator] = None) -> list[Resource]:
         out = Resource(self.post, self.post.url)
-        out.content = self.export_to_string()
-        return out
+        out.content = self.export_to_string().encode('utf-8')
+        out.create_hash()
+        return [out]
 
     def export_to_string(self) -> str:
         """Self posts are formatted here"""
diff --git a/bulkredditdownloader/tests/downloaders/test_self_post.py b/bulkredditdownloader/tests/downloaders/test_self_post.py
new file mode 100644
index 0000000..d6a45f4
--- /dev/null
+++ b/bulkredditdownloader/tests/downloaders/test_self_post.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+# coding=utf-8
+
+import praw
+import pytest
+
+from bulkredditdownloader.resource import Resource
+from bulkredditdownloader.site_downloaders.self_post import SelfPost
+
+
+@pytest.mark.online
+@pytest.mark.reddit
+@pytest.mark.parametrize(('test_submission_id', 'expected_hash'), (
+    ('ltmivt', '7d2c9e4e989e5cf2dca2e55a06b1c4f6'),
+    ('ltoaan', '221606386b614d6780c2585a59bd333f'),
+))
+def test_find_resource(test_submission_id: str, expected_hash: str, reddit_instance: praw.Reddit):
+    submission = reddit_instance.submission(id=test_submission_id)
+    downloader = SelfPost(submission)
+    results = downloader.find_resources()
+    assert len(results) == 1
+    assert isinstance(results[0], Resource)
+    assert results[0].hash.hexdigest() == expected_hash