diff --git a/python/tests/reference/Colormap/binary.json b/python/tests/reference/Colormap/binary.json
index d56f1232e..c71d3649b 100644
--- a/python/tests/reference/Colormap/binary.json
+++ b/python/tests/reference/Colormap/binary.json
@@ -1,6 +1,6 @@
 [
     {
-        "Creator": "damask.Colormap 99.99.99-9999-pytest",
+        "Creator": "damask.Colormap v99.99.99-9999-pytest",
         "ColorSpace": "RGB",
         "Name": "binary",
         "DefaultMap": true,
diff --git a/python/tests/reference/Colormap/binary.txt b/python/tests/reference/Colormap/binary.txt
index 65e5e3d58..817350aee 100644
--- a/python/tests/reference/Colormap/binary.txt
+++ b/python/tests/reference/Colormap/binary.txt
@@ -1,4 +1,4 @@
-# Creator: damask.Colormap 99.99.99-9999-pytest
+# Creator: damask.Colormap v99.99.99-9999-pytest
 R G B alpha
 1.0 1.0 1.0 1.0
 0.996078431372549 0.996078431372549 0.996078431372549 1.0