diff --git a/README.md b/README.md
index 067af7e..32fa22d 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Configure the app modifying [processes.json](/eth-net-intelligence-api/blob/mast
 		"NODE_ENV"	: "production", // tell the client we're in production environment
 		"RPC_HOST"	: "localhost", // eth JSON-RPC host
 		"RPC_PORT"	: "8080", // eth JSON-RPC port
-		"ETH_IMPLEMENTATION" : "Cpp", // eth implementation ("Cpp" or "Go")
+		"ETH_IMPLEMENTATION" : "cpp", // eth implementation: "cpp" or "go"
 		"WS_SERVER"	: "", // path to eth-netstats WebSockets api server
 		"WS_SECRET"	: "", // WebSockets api server secret used for login
 	}
diff --git a/lib/node.js b/lib/node.js
index 98a0ecd..62edf95 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -22,7 +22,7 @@ if(process.env.NODE_ENV === 'production')
 {
 	INSTANCE_NAME = shelljs.exec('ec2metadata --instance-id', {silent: true}).output;
 
-	if(ETH_IMPLEMENTATION === 'Go')
+	if(ETH_IMPLEMENTATION === 'go')
 	{
 		ETH_VERSION = shelljs.exec('ethereum -version', {silent: true}).output;
 	}
diff --git a/processes-go.json b/processes-go.json
index 4555fca..1c6eeba 100644
--- a/processes-go.json
+++ b/processes-go.json
@@ -29,7 +29,7 @@
 			"NODE_ENV"				: "production",
 			"RPC_HOST"				: "localhost",
 			"RPC_PORT"				: "8080",
-			"ETH_IMPLEMENTATION"	: "Go",
+			"ETH_IMPLEMENTATION"	: "go",
 			"WS_SERVER"				: "wss://eth-netstats.herokuapp.com",
 			"WS_SECRET"				: "eth-net-stats-has-a-secret",
 		}
diff --git a/processes.json b/processes.json
index a8f5900..2785a99 100644
--- a/processes.json
+++ b/processes.json
@@ -29,7 +29,7 @@
 			"NODE_ENV"				: "production",
 			"RPC_HOST"				: "localhost",
 			"RPC_PORT"				: "8080",
-			"ETH_IMPLEMENTATION"	: "Cpp",
+			"ETH_IMPLEMENTATION"	: "cpp",
 			"WS_SERVER"				: "wss://eth-netstats.herokuapp.com",
 			"WS_SECRET"				: "eth-net-stats-has-a-secret",
 		}