diff --git a/quickget b/quickget
index 6ef102a..4a14504 100755
--- a/quickget
+++ b/quickget
@@ -955,7 +955,7 @@ EOF
 
         # OS specific tweaks
         case ${OS} in
-          alma|centos-stream|endless|oraclelinux|popos|rockylinux)
+          alma|centos-stream|endless|oraclelinux|popos|rockylinux|nixos)
             echo "disk_size=\"32G\"" >> "${CONF_FILE}";;
           batocera)
             echo "disk_size=\"8G\"" >> "${CONF_FILE}";;