diff --git a/library/x509_create.c b/library/x509_create.c
index 2ac4d1d..7637e61 100644
--- a/library/x509_create.c
+++ b/library/x509_create.c
@@ -65,6 +65,8 @@
                 oid = OID_AT_ORG_UNIT;
             else if( c - s == 2 && strncasecmp( s, "ST", 2 ) == 0 )
                 oid = OID_AT_STATE;
+            else if( c - s == 12 && strncasecmp( s, "emailAddress", 12 ) == 0 )
+                oid = OID_PKCS9_EMAIL;
             else if( c - s == 12 && strncasecmp( s, "serialNumber", 12 ) == 0 )
                 oid = OID_AT_SERIAL_NUMBER;
             else if( c - s == 13 && strncasecmp( s, "postalAddress", 13 ) == 0 )