diff --git a/R/prj_medium.R b/R/prj_medium.R
index 379eeb2a419240dd4f47f079739ba336efa6e56c..887db39eeda42a7c57f771518b2ad83f57e02da8 100644
--- a/R/prj_medium.R
+++ b/R/prj_medium.R
@@ -553,6 +553,8 @@ new_prj_ph_property <- function(name,
                    exponents = exponents,
                    lower_saturation_limit = lower_saturation_limit,
                    upper_saturation_limit = upper_saturation_limit,
+                   tortuosity = tortuosity,
+                   curve = curve,
                    xpath = "media/medium/phases/phase/properties/property",
                    attr_names = character(),
                    flatten_on_exp = c("value", "exponents",