diff --git a/ctaocrypt/src/error.c b/ctaocrypt/src/error.c
index 1d47525f9..9970462dc 100644
--- a/ctaocrypt/src/error.c
+++ b/ctaocrypt/src/error.c
@@ -304,6 +304,9 @@ const char* CTaoCryptGetErrorString(int error)
     case DRBG_KAT_FIPS_E:
         return "DRBG Known Answer Test check FIPS error";
 
+    case DRBG_CONT_FIPS_E:
+        return "DRBG Continuous Test FIPS error";
+
     default:
         return "unknown error number";
 
diff --git a/cyassl/ctaocrypt/error-crypt.h b/cyassl/ctaocrypt/error-crypt.h
index 11b274692..df16a22a2 100644
--- a/cyassl/ctaocrypt/error-crypt.h
+++ b/cyassl/ctaocrypt/error-crypt.h
@@ -136,6 +136,7 @@ enum {
     HMAC_KAT_FIPS_E     = -206,  /* HMAC KAT failure */
     RSA_KAT_FIPS_E      = -207,  /* RSA KAT failure */
     DRBG_KAT_FIPS_E     = -208,  /* HASH DRBG KAT failure */
+    DRBG_CONT_FIPS_E    = -209,  /* HASH DRBG Continious test failure */
 
     MIN_CODE_E          = -300   /* errors -101 - -299 */
 };