diff --git a/wolfcrypt/src/port/nxp/se050_port.c b/wolfcrypt/src/port/nxp/se050_port.c
index d97bc38cb2..0f5d8d57e5 100644
--- a/wolfcrypt/src/port/nxp/se050_port.c
+++ b/wolfcrypt/src/port/nxp/se050_port.c
@@ -37,6 +37,13 @@
 #include <wolfssl/wolfcrypt/logging.h>
 #include <wolfssl/wolfcrypt/curve25519.h>
 
+#ifdef NO_INLINE
+    #include <wolfssl/wolfcrypt/misc.h>
+#else
+    #define WOLFSSL_MISC_INCLUDED
+    #include <wolfcrypt/src/misc.c>
+#endif
+
 #include <wolfssl/wolfcrypt/port/nxp/se050_port.h>
 
 #ifdef WOLFSSL_SE050_INIT
@@ -3013,6 +3020,7 @@ int se050_ed25519_sign_msg(const byte* in, word32 inLen, byte* out,
                 status = sss_key_store_set_key(&host_keystore, &newKey, derBuf,
                                                 derSz, keySize * 8, NULL, 0);
             }
+            ForceZero(derBuf, sizeof(derBuf));
         }
         else {
             status = sss_key_object_get_handle(&newKey, keyId);