diff --git a/CurrencyAPI/Currency.fs b/CurrencyAPI/Currency.fs
index 672ed73..8f773ff 100644
--- a/CurrencyAPI/Currency.fs
+++ b/CurrencyAPI/Currency.fs
@@ -12,10 +12,10 @@ open Giraffe
 open dotenv.net
 open Npgsql.FSharp
 
-let prodEnv = DotEnv.Read(DotEnvOptions(envFilePaths = [ "../.prod.env"], overwriteExistingVars = false))
+DotEnv.Load(DotEnvOptions(envFilePaths = [ "../.prod.env" ], overwriteExistingVars = false))
 
-let ( _ , connStr ) = prodEnv.TryGetValue("DATABASE_URL")
-let ( _ , apiKey ) = prodEnv.TryGetValue("API_KEY")
+let connStr = Environment.GetEnvironmentVariable("DATABASE_URL")
+let apiKey  = Environment.GetEnvironmentVariable("API_KEY")
 
 let validateApiKey (ctx : HttpContext) =
     match ctx.TryGetRequestHeader "X-API-Key" with