diff --git a/lib/gssapi/krb5/release_oid_set.c b/lib/gssapi/krb5/release_oid_set.c
index 57a50d62f..d8d8eaadd 100644
--- a/lib/gssapi/krb5/release_oid_set.c
+++ b/lib/gssapi/krb5/release_oid_set.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -42,5 +42,6 @@ OM_uint32 gss_release_oid_set
 {
   free ((*set)->elements);
   free (*set);
+  *set = GSS_C_NO_OID_SET;
   return GSS_S_COMPLETE;
 }
diff --git a/lib/gssapi/release_oid_set.c b/lib/gssapi/release_oid_set.c
index 57a50d62f..d8d8eaadd 100644
--- a/lib/gssapi/release_oid_set.c
+++ b/lib/gssapi/release_oid_set.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -42,5 +42,6 @@ OM_uint32 gss_release_oid_set
 {
   free ((*set)->elements);
   free (*set);
+  *set = GSS_C_NO_OID_SET;
   return GSS_S_COMPLETE;
 }