diff --git a/templates/repo/header.tmpl b/templates/repo/header.tmpl
index bce0e79bca..21017415c1 100644
--- a/templates/repo/header.tmpl
+++ b/templates/repo/header.tmpl
@@ -178,7 +178,7 @@
 					{{if and .SignedUser.EnableRepoUnitHints (not (.Repository.AllUnitsEnabled ctx))}}
 						{{$highlightSettings = false}}
 						<a class="{{if .PageIsRepoSettingsUnits}}active {{end}}item" href="{{.RepoLink}}/settings/units">
-							{{svg "octicon-diff-added"}} {{ctx.Locale.Tr "repo.settings.units.add_more"}}
+							{{svg "octicon-plus"}} {{ctx.Locale.Tr "repo.settings.units.add_more"}}
 						</a>
 					{{end}}
 					<a id="settings-btn" class="{{if and .PageIsRepoSettings (or $highlightSettings (not .PageIsRepoSettingsUnits))}}active {{end}}right item" href="{{.RepoLink}}/settings">