diff --git a/fortuna/src/config.rs b/fortuna/src/config.rs
index 11f84fc378..b095ef1849 100644
--- a/fortuna/src/config.rs
+++ b/fortuna/src/config.rs
@@ -64,7 +64,7 @@ pub enum Options {
 pub struct ConfigOptions {
     /// Path to a configuration file containing the list of supported blockchains
     #[arg(long = "config")]
-    #[arg(env = "PYTH_CONFIG")]
+    #[arg(env = "FORTUNA_CONFIG")]
     #[arg(default_value = "config.yaml")]
     pub config: String,
 }
@@ -75,13 +75,13 @@ pub struct ConfigOptions {
 pub struct RandomnessOptions {
     /// A secret used for generating new hash chains. A 64-char hex string.
     #[arg(long = "secret")]
-    #[arg(env = "PYTH_SECRET")]
+    #[arg(env = "FORTUNA_SECRET")]
     #[arg(default_value = "0000000000000000000000000000000000000000000000000000000000000000")]
     pub secret: String,
 
     /// The length of the hash chain to generate.
     #[arg(long = "chain-length")]
-    #[arg(env = "PYTH_CHAIN_LENGTH")]
+    #[arg(env = "FORTUNA_CHAIN_LENGTH")]
     #[arg(default_value = "32")]
     pub chain_length: u64,
 }
diff --git a/fortuna/src/config/generate.rs b/fortuna/src/config/generate.rs
index 0e5edcd7f2..163c8c93bb 100644
--- a/fortuna/src/config/generate.rs
+++ b/fortuna/src/config/generate.rs
@@ -17,7 +17,7 @@ pub struct GenerateOptions {
 
     /// Retrieve a randomness request to this provider
     #[arg(long = "chain-id")]
-    #[arg(env = "PYTH_CHAIN_ID")]
+    #[arg(env = "FORTUNA_CHAIN_ID")]
     pub chain_id: ChainId,
 
     /// A 20-byte (40 char) hex encoded Ethereum private key.
diff --git a/fortuna/src/config/get_request.rs b/fortuna/src/config/get_request.rs
index 11e80aedf1..0e20f3b650 100644
--- a/fortuna/src/config/get_request.rs
+++ b/fortuna/src/config/get_request.rs
@@ -16,18 +16,18 @@ pub struct GetRequestOptions {
 
     /// Retrieve a randomness request to this provider
     #[arg(long = "chain-id")]
-    #[arg(env = "PYTH_CHAIN_ID")]
+    #[arg(env = "FORTUNA_CHAIN_ID")]
     pub chain_id: ChainId,
 
     /// Retrieve a randomness request to this provider
     #[arg(long = "provider")]
-    #[arg(env = "PYTH_PROVIDER")]
+    #[arg(env = "FORTUNA_PROVIDER")]
     #[arg(default_value = "0x368397bDc956b4F23847bE244f350Bde4615F25E")]
     pub provider: Address,
 
     /// The sequence number of the request to retrieve
     #[arg(long = "sequence")]
-    #[arg(env = "PYTH_SEQUENCE")]
+    #[arg(env = "FORTUNA_SEQUENCE")]
     #[arg(default_value = "0")]
     pub sequence: u64,
 }
diff --git a/fortuna/src/config/register_provider.rs b/fortuna/src/config/register_provider.rs
index 4209247e36..9fa3ed37aa 100644
--- a/fortuna/src/config/register_provider.rs
+++ b/fortuna/src/config/register_provider.rs
@@ -19,7 +19,7 @@ pub struct RegisterProviderOptions {
 
     /// Retrieve a randomness request to this provider
     #[arg(long = "chain-id")]
-    #[arg(env = "PYTH_CHAIN_ID")]
+    #[arg(env = "FORTUNA_CHAIN_ID")]
     pub chain_id: ChainId,
 
     /// A 20-byte (40 char) hex encoded Ethereum private key.
diff --git a/fortuna/src/config/request_randomness.rs b/fortuna/src/config/request_randomness.rs
index 38b88b88aa..01a76bacf8 100644
--- a/fortuna/src/config/request_randomness.rs
+++ b/fortuna/src/config/request_randomness.rs
@@ -16,7 +16,7 @@ pub struct RequestRandomnessOptions {
 
     /// Request randomness on this blockchain.
     #[arg(long = "chain-id")]
-    #[arg(env = "PYTH_CHAIN_ID")]
+    #[arg(env = "FORTUNA_CHAIN_ID")]
     pub chain_id: ChainId,
 
     /// A 20-byte (40 char) hex encoded Ethereum private key.
@@ -27,7 +27,7 @@ pub struct RequestRandomnessOptions {
 
     /// Submit a randomness request to this provider
     #[arg(long = "provider")]
-    #[arg(env = "PYTH_PROVIDER")]
+    #[arg(env = "FORTUNA_PROVIDER")]
     #[arg(default_value = "0x368397bDc956b4F23847bE244f350Bde4615F25E")]
     pub provider: Address,
 }
diff --git a/fortuna/src/config/run.rs b/fortuna/src/config/run.rs
index 0a4ff0f7ef..46ebdb7abb 100644
--- a/fortuna/src/config/run.rs
+++ b/fortuna/src/config/run.rs
@@ -25,7 +25,7 @@ pub struct RunOptions {
 
     /// The public key of the provider whose requests the server will respond to.
     #[arg(long = "provider")]
-    #[arg(env = "PYTH_PROVIDER")]
+    #[arg(env = "FORTUNA_PROVIDER")]
     #[arg(default_value = "0x368397bDc956b4F23847bE244f350Bde4615F25E")]
     pub provider: Address,
 }