diff --git a/src/Quantum.jl b/src/Quantum.jl
index 97ff4ee..6f3c068 100644
--- a/src/Quantum.jl
+++ b/src/Quantum.jl
@@ -33,7 +33,7 @@ immutable QFactor <: QObj
     end
 end
 # Simplified constructor that auto-creates identity operator
-QFactor(dim::Int, name::QName) = QFactor(dim, name, QOps("i" => speye(dim)))
+QFactor(dim::Int, name::QName) = QFactor(dim, name, QOps("i" => speye(QComp, dim)))
 
 # Helper functions
 size(s :: QFactor) = s.dim