diff --git a/src/rp2_common/pico_lwip/include/arch/cc.h b/src/rp2_common/pico_lwip/include/arch/cc.h
index a494adc..7f223ad 100644
--- a/src/rp2_common/pico_lwip/include/arch/cc.h
+++ b/src/rp2_common/pico_lwip/include/arch/cc.h
@@ -70,13 +70,7 @@ typedef int sys_prot_t;
 #endif
 
 #ifndef LWIP_PLATFORM_ASSERT
-#ifdef __cplusplus
-extern "C" {
-#endif
-void panic(const char *fmt, ...);
-#ifdef __cplusplus
-}
-#endif
+#include "pico.h"
 #define LWIP_PLATFORM_ASSERT(x) panic(x)
 #endif