diff --git a/src/Magnum/Math/Complex.h b/src/Magnum/Math/Complex.h
index f966aa2ef..cc9cb73b7 100644
--- a/src/Magnum/Math/Complex.h
+++ b/src/Magnum/Math/Complex.h
@@ -72,7 +72,7 @@ Expects that both complex numbers are normalized. @f[
 template<class T> inline Rad<T> angle(const Complex<T>& normalizedA, const Complex<T>& normalizedB) {
     CORRADE_ASSERT(normalizedA.isNormalized() && normalizedB.isNormalized(),
                    "Math::angle(): complex numbers must be normalized", {});
-    return Rad<T>(std::acos(normalizedA.real()*normalizedB.real() + normalizedA.imaginary()*normalizedB.imaginary()));
+    return Rad<T>(std::acos(dot(normalizedA, normalizedB)));
 }
 
 /**