diff --git a/Sources/BaseButtonBarPagerTabStripViewController.swift b/Sources/BaseButtonBarPagerTabStripViewController.swift
index 3ffe0e4..ec6a213 100644
--- a/Sources/BaseButtonBarPagerTabStripViewController.swift
+++ b/Sources/BaseButtonBarPagerTabStripViewController.swift
@@ -79,7 +79,7 @@ open class BaseButtonBarPagerTabStripViewController<ButtonBarCellType : UICollec
         buttonBarView.scrollsToTop = false
         let flowLayout = buttonBarView.collectionViewLayout as! UICollectionViewFlowLayout
         flowLayout.scrollDirection = .horizontal
-        flowLayout.minimumInteritemSpacing = settings.style.buttonBarMinimumLineSpacing ?? flowLayout.minimumLineSpacing
+        flowLayout.minimumInteritemSpacing = settings.style.buttonBarMinimumInteritemSpacing ?? flowLayout.minimumInteritemSpacing
         flowLayout.minimumLineSpacing = settings.style.buttonBarMinimumLineSpacing ?? flowLayout.minimumLineSpacing
         let sectionInset = flowLayout.sectionInset
         flowLayout.sectionInset = UIEdgeInsetsMake(sectionInset.top, settings.style.buttonBarLeftContentInset ?? sectionInset.left, sectionInset.bottom, settings.style.buttonBarRightContentInset ?? sectionInset.right)
diff --git a/Sources/ButtonBarPagerTabStripViewController.swift b/Sources/ButtonBarPagerTabStripViewController.swift
index 4ec7f52..f8f9a1f 100644
--- a/Sources/ButtonBarPagerTabStripViewController.swift
+++ b/Sources/ButtonBarPagerTabStripViewController.swift
@@ -43,6 +43,7 @@ public struct ButtonBarPagerTabStripSettings {
     
     public struct Style {
         public var buttonBarBackgroundColor: UIColor?
+        public var buttonBarMinimumInteritemSpacing: CGFloat?
         public var buttonBarMinimumLineSpacing: CGFloat?
         public var buttonBarLeftContentInset: CGFloat?
         public var buttonBarRightContentInset: CGFloat?
@@ -137,7 +138,7 @@ open class ButtonBarPagerTabStripViewController: PagerTabStripViewController, Pa
         buttonBarView.scrollsToTop = false
         let flowLayout = buttonBarView.collectionViewLayout as! UICollectionViewFlowLayout
         flowLayout.scrollDirection = .horizontal
-        flowLayout.minimumInteritemSpacing = 0
+        flowLayout.minimumInteritemSpacing = settings.style.buttonBarMinimumInteritemSpacing ?? flowLayout.minimumInteritemSpacing
         flowLayout.minimumLineSpacing = settings.style.buttonBarMinimumLineSpacing ?? flowLayout.minimumLineSpacing
         let sectionInset = flowLayout.sectionInset
         flowLayout.sectionInset = UIEdgeInsetsMake(sectionInset.top, settings.style.buttonBarLeftContentInset ?? sectionInset.left, sectionInset.bottom, settings.style.buttonBarRightContentInset ?? sectionInset.right)