diff --git a/tidepool/src/lib/systems.nix b/tidepool/src/lib/systems.nix
index 24d31c9..6ff7988 100644
--- a/tidepool/src/lib/systems.nix
+++ b/tidepool/src/lib/systems.nix
@@ -2103,7 +2103,7 @@ in {
               then "x86" # not i386
               else if resolved.isMips64
               then "mips64" # uboot *does* distinguish between mips32/mips64
-              else resolved.linux.arch # other cases appear to agree with linuxArch
+              else resolved.linux.arch; # other cases appear to agree with linuxArch
 
             qemu.arch =
               if resolved.isAarch32