diff --git a/theme-github.css b/theme-github.css
index c358f2e..d203d46 100644
--- a/theme-github.css
+++ b/theme-github.css
@@ -426,3 +426,8 @@ ui.basic.blue.button:hover,
   background: var(--color-green);
   color: #fff !important;
 }
+
+// folder icon color for PR diff view
+.svg-icon.directory[data-v-0fac5124] {
+  color: #54aeff;
+}