diff --git a/include/device.h b/include/device.h
index e63d254ed6f..ff0abd915df 100644
--- a/include/device.h
+++ b/include/device.h
@@ -389,7 +389,7 @@ struct device_config {
 	int (*device_control)(struct device *device, uint32_t command,
 			      void *context);
 #endif
-	void *config_info;
+	const void *config_info;
 };
 
 /**