diff --git a/src/Numerics/FindRoots.cs b/src/Numerics/FindRoots.cs
index bc7a083d..1bff87f6 100644
--- a/src/Numerics/FindRoots.cs
+++ b/src/Numerics/FindRoots.cs
@@ -32,9 +32,7 @@ using System;
 using MathNet.Numerics.Properties;
 using MathNet.Numerics.RootFinding;
 
-#if NOSYSNUMERICS
-    using Complex = Numerics.Complex;
-#else
+#if !NOSYSNUMERICS
     using Complex = System.Numerics.Complex;
 #endif