diff --git a/src/main.rs b/src/main.rs
index e0c9e24..84db02c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 #![feature(file_buffered)]
+use std::env;
 use std::fs::File;
 use std::io::BufRead;
 use std::io::Write;
@@ -6,7 +7,9 @@ use std::io::Write;
 fn main() {
     println!("Reading kernel messages...");
 
-    let kmsg_file = File::open_buffered("/dev/kmsg").expect("Failed to open /dev/kmsg");
+    let kmsg_file =
+        File::open_buffered(env::var("PHENIX_KMSG").unwrap_or(String::from("/dev/kmsg")))
+            .expect("Failed to open /dev/kmsg");
 
     let lines = kmsg_file.lines();
     for line in lines {