diff --git a/src/_imagingcms.c b/src/_imagingcms.c
index 13a013ced..a79c0c1b5 100644
--- a/src/_imagingcms.c
+++ b/src/_imagingcms.c
@@ -1016,7 +1016,7 @@ static PyObject*
 cms_profile_getattr_pcs(CmsProfileObject* self, void* closure)
 {
     PyErr_WarnEx(PyExc_DeprecationWarning,
-                 "cms is deprecated. Use padded connection_space instead.", 1);
+                 "pcs is deprecated. Use padded connection_space instead.", 1);
     return PyUnicode_DecodeFSDefault(findICmode(cmsGetPCS(self->profile)));
 }