diff --git a/src/LibCURL.jl b/src/LibCURL.jl
index 607b19d..f259a5b 100644
--- a/src/LibCURL.jl
+++ b/src/LibCURL.jl
@@ -27,17 +27,17 @@ include("lC_curl_h.jl")
 
 # curl_easy_getinfo, curl_easy_setopt, and curl_multi_setopt are vararg C functions
 
-curl_easy_setopt(handle, opt, ptrval::Array) = ccall((:curl_easy_setopt, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{Cvoid}...), handle, opt, pointer(ptrval))
+curl_easy_setopt(handle, opt, ptrval::Array{T}) where T = ccall((:curl_easy_setopt, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{T}...), handle, opt, ptrval)
 curl_easy_setopt(handle, opt, ptrval::Integer) = ccall((:curl_easy_setopt, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Clong...), handle, opt, ptrval)
 curl_easy_setopt(handle, opt, ptrval::Ptr{T}) where {T} = ccall((:curl_easy_setopt, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{T}...), handle, opt, ptrval)
 curl_easy_setopt(handle, opt, ptrval::AbstractString) = ccall((:curl_easy_setopt, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{UInt8}...), handle, opt, ptrval)
 
-curl_multi_setopt(handle, opt, ptrval::Array) = ccall((:curl_multi_setopt, libcurl), CURLMcode, (Ptr{CURLM}, CURLMoption, Ptr{Cvoid}...), handle, opt, pointer(ptrval))
+curl_multi_setopt(handle, opt, ptrval::Array{T}) where T = ccall((:curl_multi_setopt, libcurl), CURLMcode, (Ptr{CURLM}, CURLMoption, Ptr{T}...), handle, opt, ptrval)
 curl_multi_setopt(handle, opt, ptrval::Integer) = ccall((:curl_multi_setopt, libcurl), CURLMcode, (Ptr{CURLM}, CURLMoption, Clong...), handle, opt, ptrval)
 curl_multi_setopt(handle, opt, ptrval::Ptr{T}) where {T} = ccall((:curl_multi_setopt, libcurl), CURLMcode, (Ptr{CURLM}, CURLMoption, Ptr{T}...), handle, opt, ptrval)
 curl_multi_setopt(handle, opt, ptrval::AbstractString) = ccall((:curl_multi_setopt, libcurl), CURLMcode, (Ptr{CURLM}, CURLMoption, Ptr{UInt8}...), handle, opt, ptrval)
 
-curl_easy_getinfo(handle, opt, ptrval::Array) = ccall((:curl_easy_getinfo, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{Cvoid}...), handle, opt, pointer(ptrval))
+curl_easy_getinfo(handle, opt, ptrval::Array{T}) where T = ccall((:curl_easy_getinfo, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{T}...), handle, opt, ptrval)
 curl_easy_getinfo(handle, opt, ptrval::AbstractString) = ccall((:curl_easy_getinfo, libcurl), CURLcode, (Ptr{CURL}, CURLoption, Ptr{UInt8}...), handle, opt, ptrval)
 
 include("lC_defines_h.jl")