diff --git a/src/config/mod.rs b/src/config/mod.rs
index aac12e9a..f0768d72 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -367,7 +367,7 @@ impl Config {
         use std::collections::hash_map::Entry;
 
         let mut inputs = self.dynamic_conf.inputs_mut();
-        match inputs.devices.entry(device.sysname().into()) {
+        match inputs.devices.entry(device.name().into()) {
             Entry::Occupied(entry) => {
                 let config = entry.get();
                 if let Err(err) = match config.state {