diff --git a/lib/cublas/wrappers.jl b/lib/cublas/wrappers.jl
index 7fa912c3ff..0c1ccf6b24 100644
--- a/lib/cublas/wrappers.jl
+++ b/lib/cublas/wrappers.jl
@@ -168,7 +168,16 @@ function scal!(n::Integer, alpha::Real, x::StridedCuVecOrDenseMat{T}) where {T<:
 end
 function scal!(n::Integer, alpha::Real, x::StridedCuVecOrDenseMat{ComplexF16})
     wide_x = widen.(x)
-    scal!(n, alpha, wide_x)
+    gpu_α = CuRef{Float32}( convert(Float32, alpha) )
+    scal!(n, gpu_α, wide_x)
+    thin_x = convert(typeof(x), wide_x)
+    copyto!(x, thin_x)
+    return x
+end
+function scal!(n::Integer, alpha::Complex, x::StridedCuVecOrDenseMat{ComplexF16})
+    wide_x = widen.(x)
+    gpu_α = CuRef{ComplexF32}( convert(ComplexF32, alpha) )
+    scal!(n, gpu_α, wide_x)
     thin_x = convert(typeof(x), wide_x)
     copyto!(x, thin_x)
     return x