diff --git a/Cargo.toml b/Cargo.toml
index 982d87c1..678370fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,8 +32,9 @@ panic = "abort"
 [profile.release]
 panic = "abort"
 
+[package.metadata.bootimage]
 test-args = [
     "-device", "isa-debug-exit,iobase=0xf4,iosize=0x04", "-serial", "stdio",
     "-display", "none"
 ]
-test-success-exit-code = 33         # (0x10 << 1) | 1
\ No newline at end of file
+test-success-exit-code = 33         # (0x10 << 1) | 1