diff --git a/nixos-module.nix b/nixos-module.nix
index b6fa9d9..cbf6aa4 100644
--- a/nixos-module.nix
+++ b/nixos-module.nix
@@ -250,7 +250,7 @@ in
         RestrictRealtime = true;
         LockPersonality = true;
         MemoryDenyWriteExecute = true;
-        LimitNOFile = limitNOFILE;
+        LimitNOFILE = limitNOFILE;
         LimitRSS = "4G";
         MemoryMax = "16G";
       };
@@ -279,7 +279,7 @@ in
         RestrictRealtime = true;
         LockPersonality = true;
         MemoryDenyWriteExecute = true;
-        LimitNOFile = limitNOFILE;
+        LimitNOFILE = limitNOFILE;
         MemoryMax = "2G";
       };
     };
@@ -307,7 +307,7 @@ in
         RestrictRealtime = true;
         LockPersonality = true;
         MemoryDenyWriteExecute = true;
-        LimitNOFile = limitNOFILE;
+        LimitNOFILE = limitNOFILE;
         WorkingDirectory = "${pkgs.caveman-gatherer}/share/caveman/gatherer";
         MemoryMax = "1G";
       };
@@ -354,7 +354,7 @@ in
         RestrictRealtime = true;
         LockPersonality = true;
         MemoryDenyWriteExecute = true;
-        LimitNOFile = limitNOFILE;
+        LimitNOFILE = limitNOFILE;
         LimitRSS = "128M:256M";
       };
     };
@@ -382,7 +382,7 @@ in
         RestrictRealtime = true;
         LockPersonality = true;
         MemoryDenyWriteExecute = true;
-        LimitNOFile = limitNOFILE;
+        LimitNOFILE = limitNOFILE;
         LimitRSS = "64M:256M";
         # Allow listening on ports <1024
         AmbientCapabilities = "CAP_NET_BIND_SERVICE";