diff --git a/src/main/audio-bridge.ts b/src/main/audio-bridge.ts
index f4e14f1..691df6f 100644
--- a/src/main/audio-bridge.ts
+++ b/src/main/audio-bridge.ts
@@ -1080,6 +1080,10 @@ export function initAudioBridge(): void {
         return await audio?.loadIR(irPath) ?? -1;
     });
 
+    ipcMain.handle('audio:replaceIR', async (_event, slotId: number, irPath: string, gain?: number) => {
+        return await audio?.replaceIR(slotId, irPath, typeof gain === 'number' ? gain : -1) ?? false;
+    });
+
     ipcMain.handle('audio:removeProcessor', (_event, slotId: number) => {
         audio?.removeProcessor(slotId);
         vstSlotPaths.delete(slotId);
diff --git a/src/main/preload.ts b/src/main/preload.ts
index 9a360b3..40ef9f6 100644
--- a/src/main/preload.ts
+++ b/src/main/preload.ts
@@ -402,6 +402,8 @@ const feedBackDesktopApi = {
         loadVST: (pluginPath: string) => ipcRenderer.invoke('audio:loadVST', pluginPath),
         loadNAMModel: (modelPath: string) => ipcRenderer.invoke('audio:loadNAMModel', modelPath),
         loadIR: (irPath: string) => ipcRenderer.invoke('audio:loadIR', irPath),
+        replaceIR: (slotId: number, irPath: string, gain?: number) =>
+            ipcRenderer.invoke('audio:replaceIR', slotId, irPath, gain),
         removeProcessor: (slotId: number) => ipcRenderer.invoke('audio:removeProcessor', slotId),
         moveProcessor: (from: number, to: number) => ipcRenderer.invoke('audio:moveProcessor', from, to),
         setBypass: (slotId: number, bypassed: boolean) => ipcRenderer.invoke('audio:setBypass', slotId, bypassed),