diff --git a/modules/system/glitchtip/default.nix b/modules/system/glitchtip/default.nix
index 0d083b4..443bc20 100644
--- a/modules/system/glitchtip/default.nix
+++ b/modules/system/glitchtip/default.nix
@@ -13,11 +13,15 @@ with lib;
 		'';
 		services.glitchtip = {
 			enable = true;
+			environment = [
+				"TMPDIR=/tmp/glitchtip"
+			];
 			environmentFiles = [
 				"/var/run/secrets/glitchtip-env"
 			];
 			port = 10060;
 			settings.GLITCHTIP_DOMAIN = "https://glitchtip.gleipnir.technology";
+			workingDirectory = "/mnt/bigdisk/glitchtip";
 		};
 		sops.secrets.glitchtip-env = {
 			format = "dotenv";
@@ -27,5 +31,8 @@ with lib;
 			restartUnits = ["glitchtip.service"];
 			sopsFile = ../../../secrets/glitchtip.env;
 		};
+		systemd.tmpfiles.rules = [
+			"d /tmp/glitchtip 0755 glitchtip glitchtip 1d"
+		];
 	};
 }
diff --git a/modules/system/glitchtip/glitchtip.nix b/modules/system/glitchtip/glitchtip.nix
index 98f0cc4..c90d9ec 100644
--- a/modules/system/glitchtip/glitchtip.nix
+++ b/modules/system/glitchtip/glitchtip.nix
@@ -118,6 +118,14 @@ in
         };
       };
 
+      environment = lib.mkOption {
+        type = lib.types.listOf lib.types.string;
+	default = [ ];
+	example = [ "TMPDIR=/tmp/glitchtip" ];
+	description = ''
+	  Additional environment variables to set
+	'';
+      };
       environmentFiles = lib.mkOption {
         type = lib.types.listOf lib.types.path;
         default = [ ];
@@ -194,6 +202,7 @@ in
           Group = cfg.group;
           RuntimeDirectory = "glitchtip";
           StateDirectory = "glitchtip";
+	  Environment = ''${lib.concatStringsSep " " cfg.environment}'';
           EnvironmentFile = cfg.environmentFiles;
           WorkingDirectory = cfg.workingDirectory;