diff --git a/src/commons/constants.rs b/src/commons/constants.rs
index c899008..cc3e61a 100644
--- a/src/commons/constants.rs
+++ b/src/commons/constants.rs
@@ -32,6 +32,7 @@ pub const MAX_RECONNECTS: u32 = 5;
 
 pub const CLASS_ZONE: &str = "zone";
 pub const CLASS_DOMAIN: &str = "domain";
+pub const ALFIS_DEBUG: &str = "ALFIS_DEBUG";
 
 /// Public nodes listen port
 pub const LISTEN_PORT: u16 = 4244;
diff --git a/src/main.rs b/src/main.rs
index 7428e02..6d37077 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,7 +16,7 @@ use simplelog::*;
 #[cfg(windows)]
 use winapi::um::wincon::{ATTACH_PARENT_PROCESS, AttachConsole, FreeConsole};
 
-use alfis::{Block, Bytes, Chain, Miner, Context, Network, Settings, dns_utils, Keystore, ZONE_DIFFICULTY};
+use alfis::{Block, Bytes, Chain, Miner, Context, Network, Settings, dns_utils, Keystore, ZONE_DIFFICULTY, ALFIS_DEBUG};
 use std::fs::OpenOptions;
 use std::process::exit;
 use std::io::{Seek, SeekFrom};
@@ -153,7 +153,7 @@ fn main() {
 /// Sets up logger in accordance with command line options
 fn setup_logger(opt_matches: &Matches) {
     let mut level = LevelFilter::Info;
-    if opt_matches.opt_present("d") {
+    if opt_matches.opt_present("d") || env::var(ALFIS_DEBUG).is_ok() {
         level = LevelFilter::Trace;
     }
     let config = ConfigBuilder::new()