diff --git a/invokeai/app/api/routers/workflows.py b/invokeai/app/api/routers/workflows.py
index f88f02b39a..f82f235dd8 100644
--- a/invokeai/app/api/routers/workflows.py
+++ b/invokeai/app/api/routers/workflows.py
@@ -88,7 +88,7 @@ async def list_workflows(
         default=WorkflowRecordOrderBy.Name, description="The attribute to order by"
     ),
     direction: SQLiteDirection = Query(default=SQLiteDirection.Ascending, description="The direction to order by"),
-    category: Optional[WorkflowCategory] = Query(default=None, description="The category of workflow to get"),
+    category: WorkflowCategory = Query(default=WorkflowCategory.User, description="The category of workflow to get"),
     query: Optional[str] = Query(default=None, description="The text to query by (matches name and description)"),
 ) -> PaginatedResults[WorkflowRecordListItemDTO]:
     """Gets a page of workflows"""
diff --git a/invokeai/app/services/workflow_records/workflow_records_base.py b/invokeai/app/services/workflow_records/workflow_records_base.py
index 7c79a592c1..9da830eaaf 100644
--- a/invokeai/app/services/workflow_records/workflow_records_base.py
+++ b/invokeai/app/services/workflow_records/workflow_records_base.py
@@ -41,9 +41,9 @@ class WorkflowRecordsStorageBase(ABC):
         self,
         order_by: WorkflowRecordOrderBy,
         direction: SQLiteDirection,
+        category: WorkflowCategory,
         page: int,
         per_page: Optional[int],
-        category: Optional[WorkflowCategory],
         query: Optional[str],
     ) -> PaginatedResults[WorkflowRecordListItemDTO]:
         """Gets many workflows."""
diff --git a/invokeai/app/services/workflow_records/workflow_records_sqlite.py b/invokeai/app/services/workflow_records/workflow_records_sqlite.py
index a63da48189..061e572c21 100644
--- a/invokeai/app/services/workflow_records/workflow_records_sqlite.py
+++ b/invokeai/app/services/workflow_records/workflow_records_sqlite.py
@@ -127,9 +127,9 @@ class SqliteWorkflowRecordsStorage(WorkflowRecordsStorageBase):
         self,
         order_by: WorkflowRecordOrderBy,
         direction: SQLiteDirection,
+        category: WorkflowCategory,
         page: int = 0,
         per_page: Optional[int] = None,
-        category: Optional[WorkflowCategory] = None,
         query: Optional[str] = None,
     ) -> PaginatedResults[WorkflowRecordListItemDTO]:
         try:
@@ -137,6 +137,7 @@ class SqliteWorkflowRecordsStorage(WorkflowRecordsStorageBase):
             # sanitize!
             assert order_by in WorkflowRecordOrderBy
             assert direction in SQLiteDirection
+            assert category in WorkflowCategory
             count_query = "SELECT COUNT(*) FROM workflow_library"
             main_query = """
                 SELECT
@@ -148,26 +149,16 @@ class SqliteWorkflowRecordsStorage(WorkflowRecordsStorageBase):
                     updated_at,
                     opened_at
                 FROM workflow_library
+                WHERE category = ?
                 """
-            main_params: list[int | str] = []
-            count_params: list[int | str] = []
-
-            if category:
-                assert category in WorkflowCategory
-                main_query += " WHERE category = ?"
-                count_query += " WHERE category = ?"
-                main_params.append(category.value)
-                count_params.append(category.value)
+            main_params: list[int | str] = [category.value]
+            count_params: list[int | str] = [category.value]
 
             stripped_query = query.strip() if query else None
             if stripped_query:
                 wildcard_query = "%" + stripped_query + "%"
-                if "WHERE" in main_query:
-                    main_query += " AND (name LIKE ? OR description LIKE ?)"
-                    count_query += " AND (name LIKE ? OR description LIKE ?)"
-                else:
-                    main_query += " WHERE name LIKE ? OR description LIKE ?"
-                    count_query += " WHERE name LIKE ? OR description LIKE ?"
+                main_query += " AND name LIKE ? OR description LIKE ? "
+                count_query += " AND name LIKE ? OR description LIKE ?;"
                 main_params.extend([wildcard_query, wildcard_query])
                 count_params.extend([wildcard_query, wildcard_query])
 
diff --git a/invokeai/frontend/web/src/services/api/schema.ts b/invokeai/frontend/web/src/services/api/schema.ts
index 0680b0609d..394bed3912 100644
--- a/invokeai/frontend/web/src/services/api/schema.ts
+++ b/invokeai/frontend/web/src/services/api/schema.ts
@@ -20050,7 +20050,7 @@ export interface operations {
                 /** @description The direction to order by */
                 direction?: components["schemas"]["SQLiteDirection"];
                 /** @description The category of workflow to get */
-                category?: components["schemas"]["WorkflowCategory"] | null;
+                category?: components["schemas"]["WorkflowCategory"];
                 /** @description The text to query by (matches name and description) */
                 query?: string | null;
             };