diff --git a/Source/SwiftyStarRatingView.swift b/Source/SwiftyStarRatingView.swift
index 7633a91..681276c 100644
--- a/Source/SwiftyStarRatingView.swift
+++ b/Source/SwiftyStarRatingView.swift
@@ -14,7 +14,7 @@ public typealias SSRVGestureHandler = (_ gesture: UIGestureRecognizer) -> Bool
 public class SwiftyStarRatingView: UIControl {
     
     public var shouldBecomeFirstResponder: Bool = false
-    public var shouldBeginGestureHandler: SSRVGestureHandler!
+    public var shouldBeginGestureHandler: SSRVGestureHandler?
     
     fileprivate var _minimumValue: CGFloat = 0
     fileprivate var _maximumValue: CGFloat = 5
@@ -310,7 +310,8 @@ extension SwiftyStarRatingView {
         if let gestureView = gestureRecognizer.view, gestureView.isEqual(self) {
             return !self.isUserInteractionEnabled
         } else {
-            return self.shouldBeginGestureHandler(gestureRecognizer)
+            guard let handle = self.shouldBeginGestureHandler else { return false }
+            return handle(gestureRecognizer)
         }
     }
 
diff --git a/SwiftyStarRatingView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/SwiftyStarRatingView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/SwiftyStarRatingView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>