diff --git a/How-to-force-Pi-to-use-light-theme-%28%2ANIX-systems%29.md b/How-to-force-Pi-to-use-light-theme-%28%2ANIX-systems%29.md
index e5737e2..4a7fedf 100644
--- a/How-to-force-Pi-to-use-light-theme-%28%2ANIX-systems%29.md
+++ b/How-to-force-Pi-to-use-light-theme-%28%2ANIX-systems%29.md
@@ -3,3 +3,8 @@ Simply run Pi with the `FYNE_THEME` environment variable to `light`. Like so:
 ```bash
 FYNE_THEME=light pi-im
 ```
+
+You can also do the same for a dark theme:
+```bash
+FYNE_THEME=dark pi-im
+```
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