diff --git a/dot/i3status-rust.nix b/dot/i3status-rust.nix
index 5c2e4a3..295d24a 100644
--- a/dot/i3status-rust.nix
+++ b/dot/i3status-rust.nix
@@ -138,7 +138,7 @@ in
     {
       block = "memory";
       display_type = "memory";
-      format_mem = "{MUg}G";
+      format_mem = "{Mug}G";
       clickable = false;
     }
     {