diff --git a/include/platform.h b/include/platform.h
index bdaa27d..595a439 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -4,7 +4,9 @@
 extern "C" {
 #endif
 
+#ifndef CHIP_6416
 #define CHIP_6416 1
+#endif
 
 #include "csl/csl.h"
 #include "csl/csl_irq.h"