diff --git a/pr_agent/algo/utils.py b/pr_agent/algo/utils.py
index 0858afff..3601bfa0 100644
--- a/pr_agent/algo/utils.py
+++ b/pr_agent/algo/utils.py
@@ -90,9 +90,9 @@ def convert_to_markdown(output_data: dict, gfm_supported: bool = True, increment
     }
     markdown_text = ""
     if not incremental_review:
-        markdown_text += f"{PrReviewTitle.REGULAR} 🔍\n\n"
+        markdown_text += f"{PrReviewTitle.REGULAR.value} 🔍\n\n"
     else:
-        markdown_text += f"{PrReviewTitle.INCREMENTAL} 🔍\n\n"
+        markdown_text += f"{PrReviewTitle.INCREMENTAL.value} 🔍\n\n"
         markdown_text += f"⏮️ Review for commits since previous PR-Agent review {incremental_review}.\n\n"
     if gfm_supported:
         markdown_text += "<table>\n"
diff --git a/pr_agent/git_providers/github_provider.py b/pr_agent/git_providers/github_provider.py
index 1905f5cc..cb03981e 100644
--- a/pr_agent/git_providers/github_provider.py
+++ b/pr_agent/git_providers/github_provider.py
@@ -96,9 +96,9 @@ class GithubProvider(GitProvider):
             self.comments = list(self.pr.get_issue_comments())
         prefixes = []
         if full:
-            prefixes.append({PrReviewTitle.REGULAR})
+            prefixes.append({PrReviewTitle.REGULAR.value})
         if incremental:
-            prefixes.append({PrReviewTitle.INCREMENTAL})
+            prefixes.append({PrReviewTitle.INCREMENTAL.value})
         for index in range(len(self.comments) - 1, -1, -1):
             if any(self.comments[index].body.startswith(prefix) for prefix in prefixes):
                 return self.comments[index]
diff --git a/pr_agent/tools/pr_reviewer.py b/pr_agent/tools/pr_reviewer.py
index 559a0f2e..f255badb 100644
--- a/pr_agent/tools/pr_reviewer.py
+++ b/pr_agent/tools/pr_reviewer.py
@@ -134,7 +134,7 @@ class PRReviewer:
                 if get_settings().pr_reviewer.persistent_comment and not self.incremental.is_incremental:
                     final_update_message = get_settings().pr_reviewer.final_update_message
                     self.git_provider.publish_persistent_comment(pr_review,
-                                                                 initial_header=f"{PrReviewTitle.REGULAR} 🔍",
+                                                                 initial_header=f"{PrReviewTitle.REGULAR.value} 🔍",
                                                                  update_header=True,
                                                                  final_update_message=final_update_message, )
                 else:
diff --git a/tests/unittest/test_convert_to_markdown.py b/tests/unittest/test_convert_to_markdown.py
index 0cc91ee9..66b343b3 100644
--- a/tests/unittest/test_convert_to_markdown.py
+++ b/tests/unittest/test_convert_to_markdown.py
@@ -52,7 +52,7 @@ class TestConvertToMarkdown:
              'suggestion': "Consider raising an exception or logging a warning when 'pr_url' attribute is not found. This can help in debugging issues related to the absence of 'pr_url' in instances where it's expected. [important]\n",
              'relevant_line': '[return ""](https://github.com/Codium-ai/pr-agent-pro/pull/102/files#diff-52d45f12b836f77ed1aef86e972e65404634ea4e2a6083fb71a9b0f9bb9e062fR199)'}]}
 
-        expected_output = f'{PrReviewTitle.REGULAR} 🔍\n\n<table>\n<tr><td> ⏱️&nbsp;<strong>Estimated&nbsp;effort&nbsp;to&nbsp;review [1-5]</strong></td><td>\n1, because the changes are minimal and straightforward, focusing on a single functionality addition.\n\n\n</td></tr>\n<tr><td> 🧪&nbsp;<strong>Relevant tests</strong></td><td>\nNo\n\n\n</td></tr>\n<tr><td> ⚡&nbsp;<strong>Possible issues</strong></td><td>\nNo\n\n\n</td></tr>\n<tr><td> 🔒&nbsp;<strong>Security concerns</strong></td><td>\nNo\n\n</td></tr>\n</table>\n\n\n<details><summary> <strong>Code feedback:</strong></summary>\n\n<hr><table><tr><td>relevant file</td><td>pr_agent/git_providers/git_provider.py\n</td></tr><tr><td>suggestion &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td>\n\n<strong>\n\nConsider raising an exception or logging a warning when \'pr_url\' attribute is not found. This can help in debugging issues related to the absence of \'pr_url\' in instances where it\'s expected. [important]\n\n</strong>\n</td></tr><tr><td>relevant line</td><td><a href=\'https://github.com/Codium-ai/pr-agent-pro/pull/102/files#diff-52d45f12b836f77ed1aef86e972e65404634ea4e2a6083fb71a9b0f9bb9e062fR199\'>return ""</a></td></tr></table><hr>\n\n</details>'
+        expected_output = f'{PrReviewTitle.REGULAR.value} 🔍\n\n<table>\n<tr><td> ⏱️&nbsp;<strong>Estimated&nbsp;effort&nbsp;to&nbsp;review [1-5]</strong></td><td>\n1, because the changes are minimal and straightforward, focusing on a single functionality addition.\n\n\n</td></tr>\n<tr><td> 🧪&nbsp;<strong>Relevant tests</strong></td><td>\nNo\n\n\n</td></tr>\n<tr><td> ⚡&nbsp;<strong>Possible issues</strong></td><td>\nNo\n\n\n</td></tr>\n<tr><td> 🔒&nbsp;<strong>Security concerns</strong></td><td>\nNo\n\n</td></tr>\n</table>\n\n\n<details><summary> <strong>Code feedback:</strong></summary>\n\n<hr><table><tr><td>relevant file</td><td>pr_agent/git_providers/git_provider.py\n</td></tr><tr><td>suggestion &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td>\n\n<strong>\n\nConsider raising an exception or logging a warning when \'pr_url\' attribute is not found. This can help in debugging issues related to the absence of \'pr_url\' in instances where it\'s expected. [important]\n\n</strong>\n</td></tr><tr><td>relevant line</td><td><a href=\'https://github.com/Codium-ai/pr-agent-pro/pull/102/files#diff-52d45f12b836f77ed1aef86e972e65404634ea4e2a6083fb71a9b0f9bb9e062fR199\'>return ""</a></td></tr></table><hr>\n\n</details>'
 
         assert convert_to_markdown(input_data).strip() == expected_output.strip()