diff --git a/security/nss/lib/freebl/ec.c b/security/nss/lib/freebl/ec.c
index 563e104384c1..53949ab94d74 100644
--- a/security/nss/lib/freebl/ec.c
+++ b/security/nss/lib/freebl/ec.c
@@ -397,7 +397,7 @@ EC_NewKey(ECParams *ecParams, ECPrivateKey **privKey)
     CHECK_MPI_OK( mp_sub(&order_1, &one, &order_1) );
     CHECK_MPI_OK( mp_mod(&privKeyVal, &order_1, &privKeyVal) );
     CHECK_MPI_OK( mp_add(&privKeyVal, &one, &privKeyVal) );
-    CHECK_MPI_OK( mp_to_unsigned_octets(&privKeyVal, privKeyBytes, len) );
+    CHECK_MPI_OK( mp_to_fixlen_octets(&privKeyVal, privKeyBytes, len) );
     /* generate public key */
     CHECK_SEC_OK( ec_NewKey(ecParams, privKey, privKeyBytes, len) );
 
diff --git a/security/nss/lib/freebl/ecl/ecl-curve.h b/security/nss/lib/freebl/ecl/ecl-curve.h
index cba22b2a7ea2..fed21fa52492 100644
--- a/security/nss/lib/freebl/ecl/ecl-curve.h
+++ b/security/nss/lib/freebl/ecl/ecl-curve.h
@@ -117,7 +117,7 @@ static const ECCurveParams ecCurve_NIST_K233 = {
 	"000000000000000000000000000000000000000000000000000000000001",
 	"017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126",
 	"01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
-	"008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF", 4
+	  "8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF", 4
 };
 static const ECCurveParams ecCurve_NIST_B233 = {
 	"NIST-B233", ECField_GF2m, 233,
@@ -155,7 +155,7 @@ static const ECCurveParams ecCurve_NIST_K409 = {
 	"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
 	"0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746",
 	"01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
-	"007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
+	  "7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
 	4
 };
 static const ECCurveParams ecCurve_NIST_B409 = {