diff --git a/src/geometries/polytopes/wedge.jl b/src/geometries/polytopes/wedge.jl
index 2ef0a62c2..579dbf080 100644
--- a/src/geometries/polytopes/wedge.jl
+++ b/src/geometries/polytopes/wedge.jl
@@ -23,8 +23,9 @@ function (wedge::Wedge)(u, v, w)
     throw(DomainError((u, v, w), "wedge(u, v, w) is not defined for u, v, w outside [0, 1]³."))
   end
   a1, a2, a3, b1, b2, b3 = vertices(wedge)
-  a = Triangle(a1, a2, a3)
-  b = Triangle(b1, b2, b3)
-  s = Segment(a(T(u), T(v)), b(T(u), T(v)))
+  a = Quadrangle(a1, b1, b2, a2)
+  b = Quadrangle(a1, b1, b3, a3)
+  uv = T(u), T(v)
+  s = Segment(a(uv...), b(uv...))
   s(T(w))
-end
\ No newline at end of file
+end
diff --git a/test/polytopes.jl b/test/polytopes.jl
index 554635cae..3e5da0c4a 100644
--- a/test/polytopes.jl
+++ b/test/polytopes.jl
@@ -978,7 +978,7 @@ end
   @test crs(w) <: Cartesian{NoDatum}
   @test Meshes.lentype(w) == ℳ
   @test volume(w) ≈ T(1 / 2) * u"m^3"
-  @test w(T(0), T(0), T(1)) == vertices(w)[4]
+  @test w(T(1), T(1), T(1)) == vertices(w)[6]
   @test_throws DomainError w(T(0), T(0), T(1.5))
   m = boundary(w)
   @test m isa Mesh