diff --git a/src/app/calculators/parsimulation/en.json b/src/app/calculators/parsimulation/en.json
index 633c670b6ce66f46c7927c107e5f864848c0c78b..d7ff7f55edf0d0e64d2e1fc80107d004e6c683e8 100644
--- a/src/app/calculators/parsimulation/en.json
+++ b/src/app/calculators/parsimulation/en.json
@@ -64,5 +64,6 @@
     "UNIT_ZD2": "m",
     "UNIT_ZR2": "m",
     "UNIT_LPI": "m",
-    "UNIT_LPH": "m"
+    "UNIT_LPH": "m",
+    "UNIT_DH": "m"
 }
diff --git a/src/app/calculators/parsimulation/fr.json b/src/app/calculators/parsimulation/fr.json
index 50a84eff932f14b405904fd9008523e841273076..0c37ad399a00543bd584213fcc9a1332afc73c56 100644
--- a/src/app/calculators/parsimulation/fr.json
+++ b/src/app/calculators/parsimulation/fr.json
@@ -60,5 +60,6 @@
     "UNIT_ZD2": "m",
     "UNIT_ZR2": "m",
     "UNIT_LPI": "m",
-    "UNIT_LPH": "m"
+    "UNIT_LPH": "m",
+    "UNIT_DH": "m"
 }