diff --git a/lib/gssapi/gssapi.h b/lib/gssapi/gssapi.h
index bedddbbb4..35e1ae3ab 100644
--- a/lib/gssapi/gssapi.h
+++ b/lib/gssapi/gssapi.h
@@ -295,6 +295,14 @@ extern gss_OID GSS_C_NT_ANONYMOUS;
  */
 extern gss_OID GSS_C_NT_EXPORT_NAME;
 
+/*
+ * RFC2478, SPNEGO:
+ *  The security mechanism of the initial
+ *  negotiation token is identified by the Object Identifier
+ *  iso.org.dod.internet.security.mechanism.snego (1.3.6.1.5.5.2).
+ */
+extern gss_OID GSS_SPNEGO_MECHANISM;
+
 /*
  * This if for kerberos5 names.
  */
diff --git a/lib/gssapi/krb5/gssapi.h b/lib/gssapi/krb5/gssapi.h
index bedddbbb4..35e1ae3ab 100644
--- a/lib/gssapi/krb5/gssapi.h
+++ b/lib/gssapi/krb5/gssapi.h
@@ -295,6 +295,14 @@ extern gss_OID GSS_C_NT_ANONYMOUS;
  */
 extern gss_OID GSS_C_NT_EXPORT_NAME;
 
+/*
+ * RFC2478, SPNEGO:
+ *  The security mechanism of the initial
+ *  negotiation token is identified by the Object Identifier
+ *  iso.org.dod.internet.security.mechanism.snego (1.3.6.1.5.5.2).
+ */
+extern gss_OID GSS_SPNEGO_MECHANISM;
+
 /*
  * This if for kerberos5 names.
  */