diff --git a/src/java.base/unix/native/libnio/fs/UnixNativeDispatcher.c b/src/java.base/unix/native/libnio/fs/UnixNativeDispatcher.c
index 9df8be1e62c..ad36e6a19b4 100644
--- a/src/java.base/unix/native/libnio/fs/UnixNativeDispatcher.c
+++ b/src/java.base/unix/native/libnio/fs/UnixNativeDispatcher.c
@@ -317,7 +317,7 @@ Java_sun_nio_fs_UnixNativeDispatcher_init(JNIEnv* env, jclass this)
 
     /* supports extended attributes */
 
-#ifdef _SYS_XATTR_H_
+#if defined(_SYS_XATTR_H) || defined(_SYS_XATTR_H_)
     capabilities |= sun_nio_fs_UnixNativeDispatcher_SUPPORTS_XATTR;
 #endif
 
@@ -1330,4 +1330,4 @@ Java_sun_nio_fs_UnixNativeDispatcher_flistxattr(JNIEnv* env, jclass clazz,
     if (res == (size_t)-1)
         throwUnixException(env, errno);
     return (jint)res;
-}
\ No newline at end of file
+}