diff --git a/bridge/__init__.py b/bridge/__init__.py
index 0bb2709..0fdb8b8 100644
--- a/bridge/__init__.py
+++ b/bridge/__init__.py
@@ -141,7 +141,7 @@ def gitea_handle_issue_action():
 
     issue_sentinel_present = issue_sentinel in event_body
 
-    if event_type == "opened" and issue_sentinel_present:
+    if event_type == "opened" and not issue_sentinel_present:
         issue_footer = create_signature(
             issue_user,
             issue_user_url,
@@ -176,7 +176,7 @@ def gitea_handle_issue_action():
             issue_comment_body,
         )
 
-    elif event_type == "created" and issue_sentinel_present:
+    elif event_type == "created" and not issue_sentinel_present:
         comment_user = data["comment"]["user"]["login"]
         comment_user_url = "https://{}/{}".format(
             app.config["GITEA_INSTANCE_DOMAIN"],
@@ -249,7 +249,7 @@ def github_handle_issue_action():
 
     issue_sentinel_present = issue_sentinel in event_body
 
-    if event_type == "opened" and issue_sentinel_present:
+    if event_type == "opened" and not issue_sentinel_present:
         issue_footer = create_signature(
             issue_user,
             issue_user_url,
@@ -268,7 +268,7 @@ def github_handle_issue_action():
             issue_body
         )
 
-    elif event_type == "created" and issue_sentinel_present:
+    elif event_type == "created" and not issue_sentinel_present:
         comment_user = data["comment"]["user"]["login"]
         comment_user_url = "https://github.com/{}".format(
             comment_user,