diff --git a/src/native/window.ts b/src/native/window.ts
index d5d2182..9aeb5d6 100644
--- a/src/native/window.ts
+++ b/src/native/window.ts
@@ -205,12 +205,9 @@ export function createMainWindow() {
             });
             return;
           }
-          mainWindow.webContents.send(
-            "screenPicker",
-            sources.map((source, idx) => {
-              return { idx: idx, name: source.name };
-            }),
-            (idx: number, audio: boolean) => {
+          ipcMain.once(
+            "screenPickerCallback",
+            (_, idx: number, audio: boolean) => {
               if (idx < 0 || idx > sources.length) {
                 callback({});
               } else {
@@ -221,6 +218,12 @@ export function createMainWindow() {
               }
             },
           );
+          mainWindow.webContents.send(
+            "screenPicker",
+            sources.map((source, idx) => {
+              return { idx: idx, name: source.name };
+            }),
+          );
         });
     },
     { useSystemPicker: true },
diff --git a/src/world/window.ts b/src/world/window.ts
index 187ffd7..1cc6c12 100644
--- a/src/world/window.ts
+++ b/src/world/window.ts
@@ -18,13 +18,10 @@ contextBridge.exposeInMainWorld("native", {
 
   // Wrapped in braces to return void
   onceScreenPicker: (
-    onScreenPick: (
-      sources: { idx: number; name: string }[],
-      callback: (idx: number, audio: boolean) => void,
-    ) => void,
+    onScreenPick: (sources: { idx: number; name: string }[]) => void,
   ) => {
-    ipcRenderer.once("screenPicker", (_, sources, callback) =>
-      onScreenPick(sources, callback),
-    );
+    ipcRenderer.once("screenPicker", (_, sources) => onScreenPick(sources));
   },
+  screenPickerCallback: (idx: number, audio: boolean) =>
+    ipcRenderer.send("screenPickerCallback", idx, audio),
 });