diff --git a/Sources/FSPagerView.swift b/Sources/FSPagerView.swift
index 1492e23..7ee1e49 100644
--- a/Sources/FSPagerView.swift
+++ b/Sources/FSPagerView.swift
@@ -221,7 +221,6 @@ open class FSPagerView: UIView,UICollectionViewDataSource,UICollectionViewDelega
     internal weak var collectionViewLayout: FSPagerViewLayout!
     internal weak var collectionView: FSPagerCollectionView!
     internal weak var contentView: UIView!
-    
     internal var timer: Timer?
     internal var numberOfItems: Int = 0
     internal var numberOfSections: Int = 0
@@ -253,10 +252,15 @@ open class FSPagerView: UIView,UICollectionViewDataSource,UICollectionViewDelega
         }
         return IndexPath(item: 0, section: 0)
     }
-    
+    fileprivate var isPossiblyRotating: Bool {
+        guard let animationKeys = self.contentView.layer.animationKeys() else {
+            return false
+        }
+        let rotationAnimationKeys = ["position", "bounds.origin", "bounds.size"]
+        return animationKeys.contains(where: { rotationAnimationKeys.contains($0) })
+    }
     fileprivate var possibleTargetingIndexPath: IndexPath?
     
-    
     // MARK: - Overriden functions
     
     public override init(frame: CGRect) {
@@ -387,7 +391,7 @@ open class FSPagerView: UIView,UICollectionViewDataSource,UICollectionViewDelega
     }
     
     public func scrollViewDidScroll(_ scrollView: UIScrollView) {
-        if self.numberOfItems > 0 {
+        if !self.isPossiblyRotating && self.numberOfItems > 0 {
             // In case someone is using KVO
             let currentIndex = lround(Double(self.scrollOffset)) % self.numberOfItems
             if (currentIndex != self.currentIndex) {