diff --git a/wolfcrypt/src/error.c b/wolfcrypt/src/error.c
index c7a304408..4a639335a 100644
--- a/wolfcrypt/src/error.c
+++ b/wolfcrypt/src/error.c
@@ -467,6 +467,9 @@ const char* wc_GetErrorString(int error)
     case SHA3_KAT_FIPS_E:
         return "SHA-3 Known Answer Test check FIPS error";
 
+    case ECDHE_KAT_FIPS_E:
+        return "wolfcrypt FIPS ECDHE Known Answer Test Failure";
+
     default:
         return "unknown error number";
 
diff --git a/wolfssl/wolfcrypt/error-crypt.h b/wolfssl/wolfcrypt/error-crypt.h
index 0ff9d6907..f2fe93128 100644
--- a/wolfssl/wolfcrypt/error-crypt.h
+++ b/wolfssl/wolfcrypt/error-crypt.h
@@ -207,8 +207,9 @@ enum {
     DH_KAT_FIPS_E       = -256,  /* DH KAT failure */
     AESCCM_KAT_FIPS_E   = -257,  /* AESCCM KAT failure */
     SHA3_KAT_FIPS_E     = -258,  /* SHA-3 KAT failure */
+    ECDHE_KAT_FIPS_E    = -259,  /* ECDHE KAT failure */
 
-    WC_LAST_E           = -258,  /* Update this to indicate last error */
+    WC_LAST_E           = -259,  /* Update this to indicate last error */
     MIN_CODE_E          = -300   /* errors -101 - -299 */
 
     /* add new companion error id strings for any new error codes