diff --git a/base/array.jl b/base/array.jl
index 26949644727a1..733eb00d5a25c 100644
--- a/base/array.jl
+++ b/base/array.jl
@@ -310,10 +310,10 @@ function getindex{T<:Real}(A::Array, I::Range{T})
 end
 
 ## Indexing: setindex! ##
-setindex!{T}(A::Array{T}, x, i1::Real) = arrayset(A, convert(T,x), to_index(i1))
-setindex!{T}(A::Array{T}, x, i1::Real, i2::Real, I::Real...) = arrayset(A, convert(T,x), to_index(i1), to_index(i2), to_indexes(I...)...)
+setindex!{T}(A::Array{T}, x, i1::Real) = arrayset(A, convert(T,x)::T, to_index(i1))
+setindex!{T}(A::Array{T}, x, i1::Real, i2::Real, I::Real...) = arrayset(A, convert(T,x)::T, to_index(i1), to_index(i2), to_indexes(I...)...)
 
-unsafe_setindex!{T}(A::Array{T}, x, i1::Real, I::Real...) = @inbounds return arrayset(A, convert(T,x), to_index(i1), to_indexes(I...)...)
+unsafe_setindex!{T}(A::Array{T}, x, i1::Real, I::Real...) = @inbounds return arrayset(A, convert(T,x)::T, to_index(i1), to_indexes(I...)...)
 
 # These are redundant with the abstract fallbacks but needed for bootstrap
 function setindex!(A::Array, x, I::AbstractVector{Int})