diff --git a/sbndcode/JobConfigurations/standard/gen/MeVPrtl/hnl_config.fcl b/sbndcode/JobConfigurations/standard/gen/MeVPrtl/hnl_config.fcl
index 6665a7aec..02d19aa2e 100644
--- a/sbndcode/JobConfigurations/standard/gen/MeVPrtl/hnl_config.fcl
+++ b/sbndcode/JobConfigurations/standard/gen/MeVPrtl/hnl_config.fcl
@@ -46,7 +46,8 @@ decay_hnl: {
   tool_type: HNLMakeDecay
   Decays: ["mu_pi"]
   Majorana: true
-  DecayIsThreeBodyAnisotropic: false
+  DecayIsThreeBodyAnisotropic: true
+  TwoBodyAnisotropyIncludeInterference: false
   ReferenceUE4: 0
   ReferenceUT4: 0
   ReferenceUM4: 1e-7