diff --git a/src/app/calculators/rugofond/config.json b/src/app/calculators/rugofond/config.json
index 5ddd036d6ce59e1ad546219264ea06ec4c8bbdd0..e9b92f7f74d047f3022e9ee1b3cdf7f488fe1fc1 100644
--- a/src/app/calculators/rugofond/config.json
+++ b/src/app/calculators/rugofond/config.json
@@ -12,7 +12,7 @@
         "type": "fieldset",
         "fields": [
             "L",
-            "CdT"
+            "Cd"
         ]
     },
     {
diff --git a/src/app/calculators/rugofond/en.json b/src/app/calculators/rugofond/en.json
index bd93e72e6dee28b3c7577a3b37656f5c629ecbb0..4d57cf8c62f737244a301ca4b355e6bae87e2fed 100644
--- a/src/app/calculators/rugofond/en.json
+++ b/src/app/calculators/rugofond/en.json
@@ -18,7 +18,7 @@
     "ZR1": "Upper upstream ramp bottom elevation",
     "Nb": "Number of baffles",
     "L": "Total width of ramp",
-    "CdT": "Discharge coefficient",
+    "Cd": "Discharge coefficient",
     "d65": "d65",
 
     "PASSTYPE_0": "Horizontal aprons",
diff --git a/src/app/calculators/rugofond/fr.json b/src/app/calculators/rugofond/fr.json
index 8e91405bedf0e43d4edf6ef602528c545995ab65..37157230867b0fb1a1898a9dece3ed195ca8ed59 100644
--- a/src/app/calculators/rugofond/fr.json
+++ b/src/app/calculators/rugofond/fr.json
@@ -18,7 +18,7 @@
     "ZR1": "Cote de fond haut amont rampe",
     "Nb": "Nombre de ralentisseurs",
     "L": "Largeur totale de la rampe", 
-    "CdT": "Coefficient de débit",
+    "Cd": "Coefficient de débit",
     "d65": "d65",
     
     "PASSTYPE_0": "Radier horizontal",