diff --git a/extensions/ql-vscode/src/view/compare-performance/ComparePerformance.tsx b/extensions/ql-vscode/src/view/compare-performance/ComparePerformance.tsx
index 5be61c96bf1..7f06c9c22f0 100644
--- a/extensions/ql-vscode/src/view/compare-performance/ComparePerformance.tsx
+++ b/extensions/ql-vscode/src/view/compare-performance/ComparePerformance.tsx
@@ -186,6 +186,7 @@ const Table = styled.table`
     border: 1px solid var(--vscode-list-activeSelectionBackground);
     margin-bottom: 1em;
   }
+  word-break: break-all;
 `;
 
 const PredicateTR = styled.tr`