diff --git a/src/lib/exporters/ableton/builders.ts b/src/lib/exporters/ableton/builders.ts
index 8f6a399..8cb9f4c 100644
--- a/src/lib/exporters/ableton/builders.ts
+++ b/src/lib/exporters/ableton/builders.ts
@@ -1161,7 +1161,7 @@ export async function buildProject(projectData: ProjectRawData, exporterParams:
   const initialTimeSignature =
     transformedData.arrangementSections[0]?.timeSignature ||
     projectData.scenesSettings.timeSignature;
-  project.Ableton.LiveSet.MasterTrack.DeviceChain.Mixer.TimeSignature.Manual['@Value'] =
+  (project.Ableton.LiveSet.MasterTrack.DeviceChain.Mixer as any).TimeSignature.Manual['@Value'] =
     getTimeSignatureId(initialTimeSignature);
   project.Ableton.LiveSet.MasterTrack.AutomationEnvelopes.Envelopes.AutomationEnvelope[0].Automation.Events.EnumEvent =
     buildArrangementTimeSignatureEvents(