diff --git a/doc/utils/check-styles.py b/doc/utils/check-styles.py
index 3015ece7a9..d9f7381473 100644
--- a/doc/utils/check-styles.py
+++ b/doc/utils/check-styles.py
@@ -227,6 +227,8 @@ for header in headers:
                     register_style(reader,style,info)
                 elif m[0] == 'Region':
                     register_style(region,style,info)
+                elif m[0] == 'GranSubMod':
+                    pass  # ignore GranSubMod styles for now
                 else:
                     print("Skipping over: ",m)