diff --git a/src/sentry/integrations/jira/integration.py b/src/sentry/integrations/jira/integration.py
index 76c0a94ac3d3..b3923a21e539 100644
--- a/src/sentry/integrations/jira/integration.py
+++ b/src/sentry/integrations/jira/integration.py
@@ -937,8 +937,9 @@ def update_comment(
             ) from e
 
     def search_issues(self, query: str | None, **kwargs: object) -> dict[str, Any]:
+        assert query is not None, "search_issues requires a query string"
         try:
-            resp = self.get_client().search_issues(cast(str, query))
+            resp = self.get_client().search_issues(query)
             assert isinstance(resp, dict)
             return resp
         except ApiError as e:
diff --git a/src/sentry/integrations/jira_server/integration.py b/src/sentry/integrations/jira_server/integration.py
index bc3c5568f816..d382e996133a 100644
--- a/src/sentry/integrations/jira_server/integration.py
+++ b/src/sentry/integrations/jira_server/integration.py
@@ -668,8 +668,9 @@ def update_comment(
         )
 
     def search_issues(self, query: str | None, **kwargs: object) -> dict[str, Any]:
+        assert query is not None, "search_issues requires a query string"
         try:
-            resp = self.get_client().search_issues(cast(str, query))
+            resp = self.get_client().search_issues(query)
             assert isinstance(resp, dict)
             return resp
         except ApiError as e: