diff --git a/lib/gssapi/get_mic.c b/lib/gssapi/get_mic.c
index f0c5ce4a0..5b7a5d422 100644
--- a/lib/gssapi/get_mic.c
+++ b/lib/gssapi/get_mic.c
@@ -181,6 +181,7 @@ mic_des3
   kret = krb5_create_checksum (gssapi_krb5_context,
 			       crypto,
 			       KRB5_KU_USAGE_SIGN,
+			       0,
 			       tmp,
 			       message_buffer->length + 8,
 			       &cksum);
diff --git a/lib/gssapi/krb5/get_mic.c b/lib/gssapi/krb5/get_mic.c
index f0c5ce4a0..5b7a5d422 100644
--- a/lib/gssapi/krb5/get_mic.c
+++ b/lib/gssapi/krb5/get_mic.c
@@ -181,6 +181,7 @@ mic_des3
   kret = krb5_create_checksum (gssapi_krb5_context,
 			       crypto,
 			       KRB5_KU_USAGE_SIGN,
+			       0,
 			       tmp,
 			       message_buffer->length + 8,
 			       &cksum);