diff --git a/src/containers/sequences.jl b/src/containers/sequences.jl
index c5a6f37102709e67ea1758303780a5a1c6bc71f3..59d5110531d2711a8c9062da32fb63cd588f5762 100644
--- a/src/containers/sequences.jl
+++ b/src/containers/sequences.jl
@@ -17,7 +17,7 @@ end
 
 @global_model_constructor Sequence
 
-Sequence(model::Model, blocks::BuildingBlock...) = Sequence(model, to_block.(blocks))
+Sequence(model::Model, blocks...) = return Sequence(model, to_block.([blocks...]))
 
 Base.length(seq::Sequence) = length(seq)
 Base.getindex(seq::Sequence, index) = seq[index]