diff --git a/src/components/shared/SampleTooltipContents.js b/src/components/shared/SampleTooltipContents.js
index 7ee27fb00a..3b79b92e19 100644
--- a/src/components/shared/SampleTooltipContents.js
+++ b/src/components/shared/SampleTooltipContents.js
@@ -136,8 +136,9 @@ export class SampleTooltipContents extends React.PureComponent<Props> {
       const sampleTime = samples.time[sampleIndex];
       const stackIndex = samples.stack[sampleIndex];
       const hasSamples = samples.length > 0 && stackTable.length > 1;
+      const hasValidStackIndex = (stackIndex !== null) ||  (stackIndex !== undefined);
 
-      if (hasSamples) {
+      if (hasSamples && hasValidStackIndex) {
         const stack = getFuncNamesAndOriginsForPath(
           convertStackToCallNodeAndCategoryPath(
             rangeFilteredThread,