diff --git a/wolfcrypt/src/wc_port.c b/wolfcrypt/src/wc_port.c
index 2d5d6186b..cc3d1e0fa 100644
--- a/wolfcrypt/src/wc_port.c
+++ b/wolfcrypt/src/wc_port.c
@@ -1266,6 +1266,7 @@ int wolfSSL_CryptHwMutexUnLock(void)
             else
                 return BAD_MUTEX_E;
         #else
+            (void)m;
             return 0;
         #endif
     }
diff --git a/wolfssl/wolfcrypt/settings.h b/wolfssl/wolfcrypt/settings.h
index 6d24a643e..15b99fa2e 100644
--- a/wolfssl/wolfcrypt/settings.h
+++ b/wolfssl/wolfcrypt/settings.h
@@ -1398,6 +1398,7 @@ extern void uITRON4_free(void *p) ;
     #endif
     #include <lib_mem.h>
     #include <lib_math.h>
+    #include <lib_str.h>
     #include <string.h>
 
     #define USE_FAST_MATH