diff --git a/liiatools/school_census_pipeline/spec/school_census_schema_2016.yml b/liiatools/school_census_pipeline/spec/school_census_schema_2016.yml
index a6af1a23..c2db32e8 100644
--- a/liiatools/school_census_pipeline/spec/school_census_schema_2016.yml
+++ b/liiatools/school_census_pipeline/spec/school_census_schema_2016.yml
@@ -1573,7 +1573,7 @@ Spring:
             - code: "TV"
             canbeblank: yes
         yeargroup:
-            *int-blank
+            *year-group-category
         category:
             *alphanumeric-blank # couldn't find
         keystage: