diff --git a/Sources/FSPagerView.swift b/Sources/FSPagerView.swift
index 554a7af..5129008 100644
--- a/Sources/FSPagerView.swift
+++ b/Sources/FSPagerView.swift
@@ -512,7 +512,7 @@ open class FSPagerView: UIView,UICollectionViewDataSource,UICollectionViewDelega
     @objc(scrollToItemAtIndex:animated:)
     open func scrollToItem(at index: Int, animated: Bool) {
         guard index < self.numberOfItems else {
-            assertionFailure("index \(index) is out of range [0...\(self.numberOfItems-1)]")
+            debugPrint("index \(index) is out of range [0...\(self.numberOfItems-1)]")
 			return
         }
         let indexPath = { () -> IndexPath in