diff --git a/computation_systems/vishvAsa_bhAskara.toml b/computation_systems/vishvAsa_bhAskara.toml
index 9c2528ab..c55b67e5 100644
--- a/computation_systems/vishvAsa_bhAskara.toml
+++ b/computation_systems/vishvAsa_bhAskara.toml
@@ -5,7 +5,7 @@ short_id = "चि॰"
 
 [festival_options]
 aparaahna_as_second_half = true
-tropical_month_start = "madhava_at_equinox"
+tropical_month_start = "mAdhava_at_equinox"
 prefer_eight_fold_day_division = true
 julian_handling = "converted to Gregorian"
 fest_repos_excluded_patterns = [ ".*kAnchI.*", ".*mAdhva.*", ".*smArta-misc.*", ".*zRGgErI.*", ".*nAyanmAr.*", ".*sangIta-kRt.*", ".*temples.*"]