--- a/devtools/client/inspector/rules/test/browser_rules_edit-property-increments.js
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-property-increments.js
@@ -2,16 +2,19 @@
 /* Any copyright is dedicated to the Public Domain.
  http://creativecommons.org/publicdomain/zero/1.0/ */
 
 "use strict";
 
 // Test that increasing/decreasing values in rule view using
 // arrow keys works correctly.
 
+// Bug 1275446 - This test happen to hit the default timeout on linux32
+requestLongerTimeout(2);
+
 const TEST_URI = `
   <style>
     #test {
       margin-top: 0px;
       padding-top: 0px;
       color: #000000;
       background-color: #000000;
       background: none;