From a26bb40ef789edc2005f8e17dbc2003a305d1770 Mon Sep 17 00:00:00 2001
From: Konstantin Liakhovskii <kliakhovskii@brex.com>
Date: Fri, 9 Jan 2026 18:26:17 -0800
Subject: [PATCH] Fix animatedPosition initialization logic

Fixing this issue:
https://github.com/gorhom/react-native-bottom-sheet/issues/2582
---
 src/components/bottomSheet/BottomSheet.tsx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/components/bottomSheet/BottomSheet.tsx b/src/components/bottomSheet/BottomSheet.tsx
index 6748c93c..60eeef98 100644
--- a/src/components/bottomSheet/BottomSheet.tsx
+++ b/src/components/bottomSheet/BottomSheet.tsx
@@ -216,7 +216,11 @@ const BottomSheetComponent = forwardRef<BottomSheet, BottomSheetProps>(
     const animatedCurrentIndex = useReactiveSharedValue(
       animateOnMount ? -1 : _providedIndex
     );
-    const animatedPosition = useSharedValue(INITIAL_POSITION);
+
+    const initialPosition = !animateOnMount
+      ? animatedDetentsState.get().detents?.[_providedIndex]
+      : undefined;
+    const animatedPosition = useSharedValue(initialPosition ?? INITIAL_POSITION);
 
     // conditional
     const isAnimatedOnMount = useSharedValue(