diff --git a/platform/platform-resources/src/themes/islands/ManyIslandsDark.theme.json b/platform/platform-resources/src/themes/islands/ManyIslandsDark.theme.json
index 3b0164c5d598..84a4c0e6aa2b 100644
--- a/platform/platform-resources/src/themes/islands/ManyIslandsDark.theme.json
+++ b/platform/platform-resources/src/themes/islands/ManyIslandsDark.theme.json
@@ -132,6 +132,8 @@
       }
     },
 
+    "EditorPane.inactiveBackground": "BackgroundDark",
+
     "Code.Block": {
       "borderColor": "BorderLight",
       "EditorPane.borderColor": "BorderLight"