diff --git a/src/driver/ptyc_driver_ctx.c b/src/driver/ptyc_driver_ctx.c
index dfaa572..b7cdc88 100644
--- a/src/driver/ptyc_driver_ctx.c
+++ b/src/driver/ptyc_driver_ctx.c
@@ -141,6 +141,10 @@ static struct ptyc_driver_ctx_impl * ptyc_driver_ctx_alloc(
 	size_t				size;
 	struct argv_entry *		entry;
 	const char **			units;
+	nt_runtime_data *		rtdata;
+
+	if (ntapi->tt_get_runtime_data(&rtdata,0))
+		return 0;
 
 	size =  sizeof(struct ptyc_driver_ctx_alloc);
 	size += (nunits+1)*sizeof(const char *);
@@ -157,6 +161,7 @@ static struct ptyc_driver_ctx_impl * ptyc_driver_ctx_alloc(
 
 	ictx->meta = meta;
 	ictx->ctx.ctx.units = ictx->units;
+	ictx->ctx.rtdata = rtdata;
 	return &ictx->ctx;
 }
 
diff --git a/src/internal/ptycon_driver_impl.h b/src/internal/ptycon_driver_impl.h
index 0acb69d..8386460 100644
--- a/src/internal/ptycon_driver_impl.h
+++ b/src/internal/ptycon_driver_impl.h
@@ -51,6 +51,7 @@ struct ptyc_client_ctx {
 };
 
 struct ptyc_driver_ctx_impl {
+	nt_rtdata *		rtdata;
 	struct ptyc_client_ctx	clctx;
 	struct ptyc_term_ctx	tctx;
 	struct ptyc_loop_ctx	lctx;
diff --git a/src/pty/ptyc_spawn.c b/src/pty/ptyc_spawn.c
index 93b8237..9ad8e9b 100644
--- a/src/pty/ptyc_spawn.c
+++ b/src/pty/ptyc_spawn.c
@@ -62,9 +62,7 @@ int __stdcall ptyc_spawn(struct ptyc_driver_ctx * dctx)
 	if (!dctx->cctx->eargv)
 		return NT_STATUS_SUCCESS;
 
-	if ((status = ntapi->tt_get_runtime_data(&self,0)))
-		return status;
-
+	self  = ictx->rtdata;
 	clctx = &ictx->clctx;
 
 	/* hat */