diff --git a/developer-extension/src/panel/hooks/useEvents/eventFilters.ts b/developer-extension/src/panel/hooks/useEvents/eventFilters.ts
index 74f9fd91e6..f81ccec225 100644
--- a/developer-extension/src/panel/hooks/useEvents/eventFilters.ts
+++ b/developer-extension/src/panel/hooks/useEvents/eventFilters.ts
@@ -81,7 +81,7 @@ function filterOutdatedVersions(events: SdkEvent[]): SdkEvent[] {
 
 export function parseQuery(query: string) {
   const queryParts = query
-    .split(/(?<!\\)\s/g) // Hack it to escape whitespace with backslashes
+    .split(new RegExp('(?<!\\\\)\\s', 'g')) // Hack it to escape whitespace with backslashes. Use a regex constructor to avoid syntax errors in older browsers
     .filter((queryPart) => queryPart)
     .map((queryPart) => queryPart.split(':'))
 
diff --git a/test/unit/karma.base.conf.js b/test/unit/karma.base.conf.js
index 6fdccfc90a..bb5109bd5d 100644
--- a/test/unit/karma.base.conf.js
+++ b/test/unit/karma.base.conf.js
@@ -56,7 +56,6 @@ module.exports = {
       // with all dependencies shared.  Our test suite does not support sharing dependencies, each
       // spec bundle should include its own copy of dependencies.
       runtimeChunk: false,
-      splitChunks: false,
     },
     ignoreWarnings: [
       // we will see warnings about missing exports in some files