diff --git a/src/FillArrays.jl b/src/FillArrays.jl
index 3898cca9..df392ff9 100644
--- a/src/FillArrays.jl
+++ b/src/FillArrays.jl
@@ -329,7 +329,7 @@ end
 promote_rule(::Type{<:AbstractFill{T, N, Axes}}, ::Type{<:AbstractFill{V, N, Axes}}) where {T,V,N,Axes} = Fill{promote_type(T,V),N,Axes}
 
 """
-    fillsimilar(a::AbstractFill, axes)
+    fillsimilar(a::AbstractFill, axes...)
 
 creates a fill object that has the same fill value as `a` but
 with the specified axes.
diff --git a/src/fillalgebra.jl b/src/fillalgebra.jl
index 0e35d1f9..7f7e6b02 100644
--- a/src/fillalgebra.jl
+++ b/src/fillalgebra.jl
@@ -1,8 +1,6 @@
 ## vec
 
-vec(a::Ones{T}) where T = Ones{T}(length(a))
-vec(a::Zeros{T}) where T = Zeros{T}(length(a))
-vec(a::Fill{T}) where T = Fill{T}(a.value,length(a))
+vec(a::AbstractFill) = fillsimilar(a, length(a))
 
 ## Transpose/Adjoint
 # cannot do this for vectors since that would destroy scalar dot product