diff --git a/home-manager/home.nix b/home-manager/home.nix
index 4c684ce..efc1954 100644
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -20,6 +20,7 @@ let
 	# Numbers
 	GAPS_IN = "0";
 	GAPS_OUT = "40";
+	GAPS_OUT_INT = builtins.parseInt GAPS_OUT;
 	BORDER_WIDTH = "2";
 	CORNER_RADIUS = "0";
 	WAYBAR_CORNER_RADIUS = "0";