diff --git a/include/param.h b/include/param.h
index 0f7d244..f5f82ee 100644
--- a/include/param.h
+++ b/include/param.h
@@ -132,6 +132,14 @@
 	return ERR_PTR(-ENOSYS);
 }
 
+static inline struct param_d *dev_add_param_bitmask(struct device_d *dev, const char *name,
+                int (*set)(struct param_d *p, void *priv),
+                int (*get)(struct param_d *p, void *priv),
+                unsigned long *value, const char * const *names, int max, void *priv)
+{
+	return ERR_PTR(-ENOSYS);
+}
+
 static inline struct param_d *dev_add_param_bool(struct device_d *dev, const char *name,
 		int (*set)(struct param_d *p, void *priv),
 		int (*get)(struct param_d *p, void *priv),