diff --git a/src/libsysprof/sysprof-document-loader-private.h b/src/libsysprof/sysprof-document-loader-private.h
index f7982489..d9f3d697 100644
--- a/src/libsysprof/sysprof-document-loader-private.h
+++ b/src/libsysprof/sysprof-document-loader-private.h
@@ -21,14 +21,17 @@
 
 #pragma once
 
+#include <libdex.h>
+
 #include "sysprof-document-loader.h"
 #include "sysprof-document-task.h"
 
 G_BEGIN_DECLS
 
-void _sysprof_document_loader_add_task    (SysprofDocumentLoader *self,
-                                           SysprofDocumentTask   *task);
-void _sysprof_document_loader_remove_task (SysprofDocumentLoader *self,
-                                           SysprofDocumentTask   *task);
+DexFuture *_sysprof_document_loader_load        (SysprofDocumentLoader *loader);
+void       _sysprof_document_loader_add_task    (SysprofDocumentLoader *self,
+                                                 SysprofDocumentTask   *task);
+void       _sysprof_document_loader_remove_task (SysprofDocumentLoader *self,
+                                                 SysprofDocumentTask   *task);
 
 G_END_DECLS
diff --git a/src/libsysprof/sysprof-document-loader.c b/src/libsysprof/sysprof-document-loader.c
index 00b525df..5429aa67 100644
--- a/src/libsysprof/sysprof-document-loader.c
+++ b/src/libsysprof/sysprof-document-loader.c
@@ -789,3 +789,38 @@ sysprof_document_loader_list_tasks (SysprofDocumentLoader *self)
 
   return g_object_ref (G_LIST_MODEL (self->tasks));
 }
+
+static void
+sysprof_document_loader_load_cb (GObject      *object,
+                                 GAsyncResult *result,
+                                 gpointer      user_data)
+{
+  SysprofDocumentLoader *loader = (SysprofDocumentLoader *)object;
+  g_autoptr(DexPromise) promise = user_data;
+  g_autoptr(SysprofDocument) document = NULL;
+  g_autoptr(GError) error = NULL;
+
+  g_assert (SYSPROF_IS_DOCUMENT_LOADER (loader));
+  g_assert (G_IS_ASYNC_RESULT (result));
+  g_assert (DEX_IS_PROMISE (promise));
+
+  if ((document = sysprof_document_loader_load_finish (loader, result, &error)))
+    dex_promise_resolve_object (promise, g_steal_pointer (&document));
+  else
+    dex_promise_reject (promise, g_steal_pointer (&error));
+}
+
+DexFuture *
+_sysprof_document_loader_load (SysprofDocumentLoader *loader)
+{
+  DexPromise *promise;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_LOADER (loader), NULL);
+
+  promise = dex_promise_new ();
+  sysprof_document_loader_load_async (loader,
+                                      NULL,
+                                      sysprof_document_loader_load_cb,
+                                      dex_ref (promise));
+  return DEX_FUTURE (promise);
+}
diff --git a/src/libsysprof/sysprof-symbols-bundle.c b/src/libsysprof/sysprof-symbols-bundle.c
index ecb93603..0d51d9d5 100644
--- a/src/libsysprof/sysprof-symbols-bundle.c
+++ b/src/libsysprof/sysprof-symbols-bundle.c
@@ -27,16 +27,14 @@
 
 #include <sysprof.h>
 
+#include "sysprof-document-loader-private.h"
+
 #include "sysprof-instrument-private.h"
 #include "sysprof-recording-private.h"
 #include "sysprof-symbols-bundle.h"
 
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofCaptureReader, sysprof_capture_reader_unref)
 
-static const DexAsyncPairInfo load_info =
-  DEX_ASYNC_PAIR_INFO_OBJECT (sysprof_document_loader_load_async,
-                              sysprof_document_loader_load_finish);
-
 struct _SysprofSymbolsBundle
 {
   SysprofInstrument parent_instance;
@@ -81,7 +79,7 @@ sysprof_symbols_bundle_augment_fiber (gpointer user_data)
   elf = sysprof_elf_symbolizer_new ();
   sysprof_document_loader_set_symbolizer (loader, elf);
 
-  if (!(document = dex_await_object (dex_async_pair_new (loader, &load_info), &error)))
+  if (!(document = dex_await_object (_sysprof_document_loader_load (loader), &error)))
     return dex_future_new_for_error (g_steal_pointer (&error));
   g_assert (SYSPROF_IS_DOCUMENT (document));