diff --git a/lib/gssapi/mech/gss_wrap_size_limit.c b/lib/gssapi/mech/gss_wrap_size_limit.c
index 15b86a936..a5a80b21d 100644
--- a/lib/gssapi/mech/gss_wrap_size_limit.c
+++ b/lib/gssapi/mech/gss_wrap_size_limit.c
@@ -38,7 +38,7 @@ gss_wrap_size_limit(OM_uint32 *minor_status,
     OM_uint32 *max_input_size)
 {
 	struct _gss_context *ctx = (struct _gss_context *) context_handle;
-	gssapi_mech_interface m = ctx->gc_mech;
+	gssapi_mech_interface m;
 	
 	*max_input_size = 0;
 	if (ctx == NULL) {
@@ -46,6 +46,8 @@ gss_wrap_size_limit(OM_uint32 *minor_status,
 	    return GSS_S_NO_CONTEXT;
 	}
 
+	m = ctx->gc_mech;
+
 	return (m->gm_wrap_size_limit(minor_status, ctx->gc_ctx,
 		    conf_req_flag, qop_req, req_output_size, max_input_size));
 }