diff --git a/meta/FlexibleSUSY.m b/meta/FlexibleSUSY.m
index ff6efe146..c999673ac 100644
--- a/meta/FlexibleSUSY.m
+++ b/meta/FlexibleSUSY.m
@@ -3189,7 +3189,7 @@ corresponding tadpole is real or imaginary (only in models with CP
 
            extraSLHAOutputBlocks = Parameters`DecreaseIndexLiterals[
                FlexibleSUSY`ExtraSLHAOutputBlocks,
-               Join[Parameters`GetOutputParameters[], Parameters`GetModelParameters[]]
+               Join[Parameters`GetOutputParameters[], Parameters`GetModelParameters[], Parameters`GetExtraParameters[]]
            ];
 
            (* determine diagonalization precision for each particle *)