diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61528abf..57300ae2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- Disable page scroll when using arrow keys on search suggestions box. [#493](https://github.com/sourcebot-dev/sourcebot/pull/493)
+
 ## [4.6.6] - 2025-09-04
 
 ### Added
diff --git a/packages/web/src/app/[domain]/components/searchBar/searchSuggestionsBox.tsx b/packages/web/src/app/[domain]/components/searchBar/searchSuggestionsBox.tsx
index 6b208c0e..eb167640 100644
--- a/packages/web/src/app/[domain]/components/searchBar/searchSuggestionsBox.tsx
+++ b/packages/web/src/app/[domain]/components/searchBar/searchSuggestionsBox.tsx
@@ -334,6 +334,7 @@ const SearchSuggestionsBox = forwardRef(({
                 }
 
                 if (e.key === 'ArrowUp') {
+                    e.preventDefault();
                     e.stopPropagation();
                     setHighlightedSuggestionIndex((curIndex) => {
                         return curIndex <= 0 ? suggestions.length - 1 : curIndex - 1;
@@ -341,6 +342,7 @@ const SearchSuggestionsBox = forwardRef(({
                 }
 
                 if (e.key === 'ArrowDown') {
+                    e.preventDefault();
                     e.stopPropagation();
                     setHighlightedSuggestionIndex((curIndex) => {
                         return curIndex >= suggestions.length - 1 ? 0 : curIndex + 1;