diff --git a/src/app/calculators/parsimulation/en.json b/src/app/calculators/parsimulation/en.json
index 1872b2949eed2712c4b8c175a05d535498b1f4d7..221e71cc1a922c94330482d93ae37cec6ab3880e 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 0b6c772b63a09529d30069c8d352ea3f01ed8919..e1618a273459b9401ac5d643f0975559a3b048c4 100644
--- a/src/app/calculators/parsimulation/fr.json
+++ b/src/app/calculators/parsimulation/fr.json
@@ -64,5 +64,6 @@
     "UNIT_ZD2": "m",
     "UNIT_ZR2": "m",
     "UNIT_LPI": "m",
-    "UNIT_LPH": "m"
+    "UNIT_LPH": "m",
+    "UNIT_DH": "m"
 }