diff --git a/wolfcrypt/src/port/rpi_pico/pico.c b/wolfcrypt/src/port/rpi_pico/pico.c
index adf3b94b7b7..abd095803db 100644
--- a/wolfcrypt/src/port/rpi_pico/pico.c
+++ b/wolfcrypt/src/port/rpi_pico/pico.c
@@ -26,6 +26,7 @@
 #include <string.h>
 #include <wolfssl/wolfcrypt/settings.h>
 #include <wolfssl/wolfcrypt/types.h>
+#include <wolfssl/wolfcrypt/error-crypt.h>
 
 #if defined(WOLFSSL_RPIPICO)
 #include "pico/rand.h"