diff --git a/modules/pihole-container.factory.nix b/modules/pihole-container.factory.nix
index 7287929..917adef 100644
--- a/modules/pihole-container.factory.nix
+++ b/modules/pihole-container.factory.nix
@@ -327,9 +327,9 @@ in rec {
   config = mkIf cfg.enable {
 
     assertions = [
-      { assertion = (length hostUserCfg.subUidRanges > 0 && length hostUserCfg.subGidRanges > 0) || hostUserCfg.autoSubUidGidRange;
+      { assertion = (length hostUserCfg.subUidRanges > 0 && length hostUserCfg.subGidRanges > 0) || hostUserCfg.autoSubUidGidRange == true;
         message = ''
-          The host user most have configured subUidRanges & subGidRanges as pihole is running in a rootless podman container.
+          The host user must have configured subUidRanges & subGidRanges as pihole is running in a rootless podman container.
         '';
       }
     ];