diff --git a/Project.toml b/Project.toml
index d3fd3da..bc345a8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Proj4"
 uuid = "9a7e659c-8ee8-5706-894e-f68f43bc57ea"
-version = "0.7.5"
+version = "0.7.6"
 
 [deps]
 CEnum = "fa961155-64e5-5f13-b03f-caf6b980ea82"
diff --git a/src/coord.jl b/src/coord.jl
index 54198a4..826d662 100644
--- a/src/coord.jl
+++ b/src/coord.jl
@@ -141,7 +141,7 @@ end
 
 function (trans::Transformation)(coord::StaticVector{4,<:AbstractFloat})
     T = similar_type(coord)
-    coord = SVector{4, Float64}(coord[1], coord[2], coord[3], Inf)
+    coord = SVector{4, Float64}(coord[1], coord[2], coord[3], coord[4])
     p = proj_trans(trans.pj, PJ_FWD, coord)
     return T(p)
 end
diff --git a/test/proj6api.jl b/test/proj6api.jl
index 6c53eeb..a43a65f 100644
--- a/test/proj6api.jl
+++ b/test/proj6api.jl
@@ -143,6 +143,9 @@ end
     @test target_crs isa Ptr{Nothing}
     trans = Proj4.Transformation(source_crs, target_crs)
 
+    # Check that altitude and time inputs are correctly forwarded from the transformation
+    @test trans(SA_F64[52.16, 5.39, 5, 2020]) ≈ SA[155191.3538124342, 463537.1362732911, 5.0, 2020.0]
+
     a = Proj4.proj_coord(52.16, 5.39)
     b = Proj4.proj_trans(trans.pj, Proj4.PJ_FWD, a)
     @test a != b