diff --git a/substrate/utils/wasm-builder/src/wasm_project.rs b/substrate/utils/wasm-builder/src/wasm_project.rs
index 2126a49bd7ff..033ff7006612 100644
--- a/substrate/utils/wasm-builder/src/wasm_project.rs
+++ b/substrate/utils/wasm-builder/src/wasm_project.rs
@@ -774,7 +774,7 @@ fn build_bloaty_blob(
 	println!("{} {}", colorize_info_message("Using rustc version:"), cargo_cmd.rustc_version());
 
 	// Use `process::exit(1)` to have a clean error output.
-	if build_cmd.status().map(|s| s.success()).is_err() {
+	if !matches!(build_cmd.status().map(|s| s.success()), Ok(true)) {
 		process::exit(1);
 	}
 }