diff --git a/lib/gssapi/krb5/gsskrb5_locl.h b/lib/gssapi/krb5/gsskrb5_locl.h
index 2d53f055f..ef3f21903 100644
--- a/lib/gssapi/krb5/gsskrb5_locl.h
+++ b/lib/gssapi/krb5/gsskrb5_locl.h
@@ -58,7 +58,6 @@ typedef struct gsskrb5_ctx {
   struct krb5_auth_context_data *auth_context;
   struct krb5_auth_context_data *deleg_auth_context;
   krb5_principal source, target;
-#define IS_DCE_STYLE(ctx) (((ctx)->flags & GSS_C_DCE_STYLE) != 0)
   OM_uint32 flags;
   enum { LOCAL = 1, OPEN = 2,
 	 COMPAT_OLD_DES3 = 4,
@@ -90,6 +89,12 @@ typedef struct gsskrb5_ctx {
   krb5_crypto crypto;
 } *gsskrb5_ctx;
 
+static inline krb5_boolean
+IS_DCE_STYLE(gsskrb5_ctx ctx)
+{
+  return (ctx->flags & GSS_C_DCE_STYLE) != 0;
+}
+
 typedef struct {
   krb5_principal principal;
   char *destination_realm;  /* Realm of acceptor service, if delegated */