diff --git a/satpy/etc/readers/ahi_hrit.yaml b/satpy/etc/readers/ahi_hrit.yaml
index 179fcbf306..22d45a33b8 100644
--- a/satpy/etc/readers/ahi_hrit.yaml
+++ b/satpy/etc/readers/ahi_hrit.yaml
@@ -16,7 +16,7 @@ file_types:
     hrit_b01_seg:
         file_reader: !!python/name:satpy.readers.hrit_jma.HRITJMAFileHandler
         file_patterns:
-        - 'IMG_DK{area:02d}B01_{start_time:%Y%m%d%H%M}'
+        - 'IMG_DK{area:02d}B01_{start_time:%Y%m%d%H%M}_{segment:03d}'
         expected_segments: 10
 
     hrit_b01_fd: