1 files changed, 3 insertions, 0 deletions
diff --git a/src/error.rs b/src/error.rs
index 6aeeef8..dcaa4d2 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,4 +1,5 @@
 use std::borrow;
+use std::error;
 use std::fmt;
 use std::os::raw;
 
@@ -79,6 +80,8 @@ impl CommandError {
     }
 }
 
+impl error::Error for CommandError {}
+
 impl fmt::Display for CommandError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}", self.as_str())