diff --git a/Sources/Weather/Models/Parameter+Name.swift b/Sources/Weather/Models/Parameter+Name.swift
index f398f6f..55706af 100644
--- a/Sources/Weather/Models/Parameter+Name.swift
+++ b/Sources/Weather/Models/Parameter+Name.swift
@@ -31,7 +31,7 @@ extension Parameter {
         case t
 
         /// Horizontal visibility
-        case visibility
+        case vis
 
         /// Wind direction
         case wd
@@ -79,7 +79,7 @@ extension Parameter {
         case pmedian
 
         /// Weather symbol
-        case wsymb2
+        case wsymb2 = "Wsymb2"
 
         /// Unknown parameter
         case unknown = ""