diff --git a/custom_components/xiaomi_cloud_map_extractor/viomi/map_data_parser.py b/custom_components/xiaomi_cloud_map_extractor/viomi/map_data_parser.py
index b53be0a..0d3a7ee 100644
--- a/custom_components/xiaomi_cloud_map_extractor/viomi/map_data_parser.py
+++ b/custom_components/xiaomi_cloud_map_extractor/viomi/map_data_parser.py
@@ -311,8 +311,8 @@ def parse_section(buf: ParsingBuffer, name: str, map_id: int):
         magic = buf.get_uint32('magic')
         if magic != map_id:
             raise ValueError(
-                f"error parsing section {name} at offset {buf._offs - 4:#x}: magic check failed."
-                + f" Magic: {magic:#x}, Map ID: {map_id:#x}")
+                f"error parsing section {name} at offset {buf._offs - 4:#x}: magic check failed. " +
+                f"Magic: {magic:#x}, Map ID: {map_id:#x}")
 
     @staticmethod
     def parse_position(buf: ParsingBuffer, name: str) -> Optional[Point]: