diff --git a/microdroid_manager/src/main.rs b/microdroid_manager/src/main.rs
index 319ca2b..dc72c95 100644
--- a/microdroid_manager/src/main.rs
+++ b/microdroid_manager/src/main.rs
@@ -90,7 +90,7 @@
 
 fn main() {
     if let Err(e) = try_main() {
-        error!("failed with {}", e);
+        error!("failed with {:?}", e);
         std::process::exit(1);
     }
 }