diff --git a/cmd/schemadiff/main.go b/cmd/schemadiff/main.go
index 83adf93..fae0801 100644
--- a/cmd/schemadiff/main.go
+++ b/cmd/schemadiff/main.go
@@ -11,7 +11,7 @@ import (
 )
 
 func exitWithError(err error) {
-	fmt.Println(err)
+	fmt.Fprintf(os.Stderr, "%+v\n", err)
 	os.Exit(2)
 }