diff --git a/test-native.sh b/test-native.sh
index 82ec3c6..ac9956c 100755
--- a/test-native.sh
+++ b/test-native.sh
@@ -267,6 +267,8 @@ grep -F 'async function statOpfsEntry(workspacePath, relativePath)' web/src/wasm
 grep -F 'async function readOpfsDirectoryTree(workspacePath, relativePath, relativeRoot = "")' web/src/wasm-core.js >/dev/null
 grep -F 'function readWasmDirectoryTree(module, rootPath, relativeRoot = "")' web/src/wasm-core.js >/dev/null
 grep -F 'function writeWasmFileReplacingPath(module, path, data)' web/src/wasm-core.js >/dev/null
+grep -F 'path.includes("\\")' web/src/wasm-core.js >/dev/null
+grep -F 'path.includes("\0")' web/src/wasm-core.js >/dev/null
 grep -F '`${LINUXCNC_DEFAULT_PARAMETER_FILE}.bak`' web/src/wasm-core.js >/dev/null
 grep -F 'export type WasmModuleOptions' web/src/wasm-core.d.ts >/dev/null
 grep -F 'printErr?: (text: string) => void;' web/src/wasm-core.d.ts >/dev/null