diff --git a/flamechart-style.ts b/flamechart-style.ts
index 788ac63..6a7d7a3 100644
--- a/flamechart-style.ts
+++ b/flamechart-style.ts
@@ -72,11 +72,13 @@ export const style = StyleSheet.create({
     width: '100vw',
     bottom: 0,
   },
+  stackTraceViewPadding: {
+    padding: 5,
+  },
   stackTraceView: {
     height: Sizes.DETAIL_VIEW_HEIGHT,
-    overflow: 'auto',
     lineHeight: `${FontSize.LABEL + 2}px`,
-    padding: 5,
+    overflow: 'auto',
   },
   stackChit: {
     display: 'inline-block',
diff --git a/flamechart-view.tsx b/flamechart-view.tsx
index 8299966..a631b54 100644
--- a/flamechart-view.tsx
+++ b/flamechart-view.tsx
@@ -736,7 +736,7 @@ class StackTraceView extends ReloadableComponent<StackTraceViewProps, {}> {
   render() {
     const rows: JSX.Element[] = []
     let node: CallTreeNode | null = this.props.node
-    for (; node; node = node.parent) {
+    for (; node && !node.isRoot(); node = node.parent) {
       const row: (JSX.Element | string)[] = []
       const {frame} = node
 
@@ -764,7 +764,11 @@ class StackTraceView extends ReloadableComponent<StackTraceViewProps, {}> {
       }
       rows.push(<div className={css(style.stackLine)}>{row}</div>)
     }
-    return <div className={css(style.stackTraceView)}>{rows}</div>
+    return (
+      <div className={css(style.stackTraceView)}>
+        <div className={css(style.stackTraceViewPadding)}>{rows}</div>
+      </div>
+    )
   }
 }
 
diff --git a/import/instruments.ts b/import/instruments.ts
index e839ee4..e9cb3b5 100644
--- a/import/instruments.ts
+++ b/import/instruments.ts
@@ -601,7 +601,7 @@ function expandKeyedArchive(
   // Sanity checks
   if (
     root.$version !== 100000 ||
-    (root.$archiver !== 'MSArchiver' && root.$archiver !== 'NSKeyedArchiver') ||
+    root.$archiver !== 'NSKeyedArchiver' ||
     !isDictionary(root.$top) ||
     !isArray(root.$objects)
   ) {
diff --git a/profile.ts b/profile.ts
index 0541e33..26e7dd3 100644
--- a/profile.ts
+++ b/profile.ts
@@ -68,6 +68,11 @@ export class Frame extends HasWeights {
 
 export class CallTreeNode extends HasWeights {
   children: CallTreeNode[] = []
+
+  isRoot() {
+    return this.frame === rootFrame
+  }
+
   constructor(readonly frame: Frame, readonly parent: CallTreeNode | null) {
     super()
   }