diff --git a/src/tools/disks/smart.rs b/src/tools/disks/smart.rs
index fefdbbe3..fb85f667 100644
--- a/src/tools/disks/smart.rs
+++ b/src/tools/disks/smart.rs
@@ -91,7 +91,9 @@ pub fn get_smart_data(
     };
     command.arg(disk_path);
 
-    let output = pbs_tools::run_command(command, None)?;
+    let output = pbs_tools::run_command(command, Some(|exitcode|
+        (exitcode & 0b0111) == 0 // only bits 0-2 are fatal errors
+    ))?;
 
     let output: serde_json::Value = output.parse()?;