@@ -1,5 +1,9 @@
 # ORStackView CHANGELOG
 
+## Next
+
+* Fixed crash when setting ORStackView.bottomMarginHeight without any child views on iOS8 - @dblock
+
 ## 1.2.0
 
 * Added ORSplitStackView - @1aurabrown
@@ -16,4 +20,4 @@
 * Stacking views
 * Stacking views that uses view tags to automatically set the order
 * UIScrollView subclass that handles having a stack set up for you
-* API for UIViewControllers
+* API for UIViewControllers
@@ -68,10 +68,11 @@ - (void)updateConstraints
 
     if (self.bottomMarginHeight != NSNotFound) {
         [self removeConstraint:self.bottomConstraint];
-
-        NSString *constraint = [NSString stringWithFormat:@"%0.0f", self.bottomMarginHeight];
         UIView *lastView = self.lastView;
-        self.bottomConstraint = [[self alignBottomEdgeWithView:lastView predicate:constraint] lastObject];
+        if (self.lastView) {
+            NSString *constraint = [NSString stringWithFormat:@"%0.0f", self.bottomMarginHeight];
+            self.bottomConstraint = [[self alignBottomEdgeWithView:lastView predicate:constraint] lastObject];
+        }
     }
 
     [super updateConstraints];
 
@@ -16,6 +16,7 @@
 		3C9C9552194250CD00DEA440 /* ORFifthViewControllerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C9C9551194250CD00DEA440 /* ORFifthViewControllerTests.m */; };
 		3C9C9554194259D300DEA440 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3C9C9553194259D300DEA440 /* Foundation.framework */; };
 		3C9C9556194259DB00DEA440 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3C9C9555194259DB00DEA440 /* UIKit.framework */; };
+		3C9C955A1942661500DEA440 /* ORStackViewTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C9C95591942661500DEA440 /* ORStackViewTests.m */; };
 		3CC74D78194245AC0069A97D /* ORFirstViewControllerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3CC74D77194245AC0069A97D /* ORFirstViewControllerTests.m */; };
 		604D943217BCD45900E331B1 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 604D943017BCD45900E331B1 /* InfoPlist.strings */; };
 		604D943417BCD45900E331B1 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 604D943317BCD45900E331B1 /* main.m */; };
@@ -58,6 +59,7 @@
 		3C9C9553194259D300DEA440 /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
 		3C9C9555194259DB00DEA440 /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
 		3C9C955719425CB200DEA440 /* XCTest.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = XCTest.framework; path = Library/Frameworks/XCTest.framework; sourceTree = SDKROOT; };
+		3C9C95591942661500DEA440 /* ORStackViewTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ORStackViewTests.m; sourceTree = "<group>"; };
 		3CC74D73194245AC0069A97D /* ORStackViewExampleTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ORStackViewExampleTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		3CC74D76194245AC0069A97D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		3CC74D77194245AC0069A97D /* ORFirstViewControllerTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ORFirstViewControllerTests.m; sourceTree = "<group>"; };
@@ -121,6 +123,7 @@
 				3C9C954D194250B500DEA440 /* ORThirdViewControllerTests.m */,
 				3C9C954F194250C100DEA440 /* ORFourthViewControllerTests.m */,
 				3C9C9551194250CD00DEA440 /* ORFifthViewControllerTests.m */,
+				3C9C95591942661500DEA440 /* ORStackViewTests.m */,
 			);
 			path = ORStackViewExampleTests;
 			sourceTree = "<group>";
@@ -388,6 +391,7 @@
 				3CC74D78194245AC0069A97D /* ORFirstViewControllerTests.m in Sources */,
 				3C9C9552194250CD00DEA440 /* ORFifthViewControllerTests.m in Sources */,
 				3C9C9550194250C100DEA440 /* ORFourthViewControllerTests.m in Sources */,
+				3C9C955A1942661500DEA440 /* ORStackViewTests.m in Sources */,
 				3C9C954A1942502A00DEA440 /* ORColorView+DebugColours.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 
@@ -0,0 +1,32 @@
+//
+//  OREmptyViewControllerTests.m
+//  ORStackViewExample
+//
+//  Created by Daniel Doubrovkine on 6/6/14.
+//  Copyright (c) 2014 Orta. All rights reserved.
+//
+
+#import <ORStackView/ORStackView.h>
+
+SpecBegin(ORStackView)
+
+__block UIWindow *window;
+
+beforeEach(^{
+    window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+});
+
+describe(@"bottomMarginHeight", ^{
+    it(@"works with an empty stack view", ^{
+        UIViewController *vc = [[UIViewController alloc] init];
+        window.rootViewController = vc;
+        ORStackView *view = [[ORStackView alloc] initWithFrame:vc.view.bounds];
+        view.bottomMarginHeight = 10;
+        [vc.view addSubview:view];
+        [view setNeedsUpdateConstraints];
+        [window makeKeyAndVisible];
+        expect(window).will.haveValidSnapshotNamed(@"bottomMarginHeightWithEmptyStackView");
+    });
+});
+
+SpecEnd