diff --git a/public/js/grocy_clock.js b/public/js/grocy_clock.js
index b5ff2bda..d617c0f6 100644
--- a/public/js/grocy_clock.js
+++ b/public/js/grocy_clock.js
@@ -12,6 +12,11 @@ function RefreshHeaderClock()
 Grocy.HeaderClockInterval = null;
 function CheckHeaderClockEnabled()
 {
+	if (Grocy.UserId === -1)
+	{
+		return;
+	}
+
 	// Refresh the clock in the header every second when enabled
 	if (BoolVal(Grocy.UserSettings.show_clock_in_header))
 	{
@@ -36,7 +41,7 @@ function CheckHeaderClockEnabled()
 }
 CheckHeaderClockEnabled();
 
-if (BoolVal(Grocy.UserSettings.show_clock_in_header))
+if (Grocy.UserId !== -1 && BoolVal(Grocy.UserSettings.show_clock_in_header))
 {
 	$("#show-clock-in-header").prop("checked", true);
 }
diff --git a/public/js/grocy_dbchangedhandling.js b/public/js/grocy_dbchangedhandling.js
index 96eacc80..77ee6c0c 100644
--- a/public/js/grocy_dbchangedhandling.js
+++ b/public/js/grocy_dbchangedhandling.js
@@ -1,13 +1,16 @@
-Grocy.Api.Get('system/db-changed-time',
-	function(result)
-	{
-		Grocy.DatabaseChangedTime = moment(result.changed_time);
-	},
-	function(xhr)
-	{
-		console.error(xhr);
-	}
-);
+if (Grocy.UserId !== -1)
+{
+	Grocy.Api.Get('system/db-changed-time',
+		function(result)
+		{
+			Grocy.DatabaseChangedTime = moment(result.changed_time);
+		},
+		function(xhr)
+		{
+			console.error(xhr);
+		}
+	);
+}
 
 // Check if the database has changed once a minute
 // If a change is detected, reload the current page, but only if already idling for at least 50 seconds,
@@ -56,7 +59,7 @@ setInterval(function()
 	Grocy.IdleTime += 1;
 }, 1000);
 
-if (BoolVal(Grocy.UserSettings.auto_reload_on_db_change))
+if (Grocy.UserId !== -1 && BoolVal(Grocy.UserSettings.auto_reload_on_db_change))
 {
 	$("#auto-reload-enabled").prop("checked", true);
 }
diff --git a/public/js/grocy_nightmode.js b/public/js/grocy_nightmode.js
index 801499de..7615b073 100644
--- a/public/js/grocy_nightmode.js
+++ b/public/js/grocy_nightmode.js
@@ -56,18 +56,21 @@ $("#auto-night-mode-time-range-goes-over-midgnight").on("change", function()
 	CheckNightMode();
 });
 
-$("#night-mode-enabled").prop("checked", BoolVal(Grocy.UserSettings.night_mode_enabled));
-$("#auto-night-mode-enabled").prop("checked", BoolVal(Grocy.UserSettings.auto_night_mode_enabled));
-$("#auto-night-mode-time-range-goes-over-midgnight").prop("checked", BoolVal(Grocy.UserSettings.auto_night_mode_time_range_goes_over_midnight));
-$("#auto-night-mode-enabled").trigger("change");
-$("#auto-night-mode-time-range-from").val(Grocy.UserSettings.auto_night_mode_time_range_from);
-$("#auto-night-mode-time-range-from").trigger("keyup");
-$("#auto-night-mode-time-range-to").val(Grocy.UserSettings.auto_night_mode_time_range_to);
-$("#auto-night-mode-time-range-to").trigger("keyup");
+if (Grocy.UserId !== -1)
+{
+	$("#night-mode-enabled").prop("checked", BoolVal(Grocy.UserSettings.night_mode_enabled));
+	$("#auto-night-mode-enabled").prop("checked", BoolVal(Grocy.UserSettings.auto_night_mode_enabled));
+	$("#auto-night-mode-time-range-goes-over-midgnight").prop("checked", BoolVal(Grocy.UserSettings.auto_night_mode_time_range_goes_over_midnight));
+	$("#auto-night-mode-enabled").trigger("change");
+	$("#auto-night-mode-time-range-from").val(Grocy.UserSettings.auto_night_mode_time_range_from);
+	$("#auto-night-mode-time-range-from").trigger("keyup");
+	$("#auto-night-mode-time-range-to").val(Grocy.UserSettings.auto_night_mode_time_range_to);
+	$("#auto-night-mode-time-range-to").trigger("keyup");
+}
 
 function CheckNightMode()
 {
-	if (!BoolVal(Grocy.UserSettings.auto_night_mode_enabled))
+	if (Grocy.UserId === -1 || !BoolVal(Grocy.UserSettings.auto_night_mode_enabled))
 	{
 		return;
 	}
@@ -105,7 +108,10 @@ function CheckNightMode()
 		}		
 	}
 }
-CheckNightMode();
+if (Grocy.UserId !== -1)
+{
+	CheckNightMode();
+}
 
 if (Grocy.Mode === "production")
 {
diff --git a/views/layout/default.blade.php b/views/layout/default.blade.php
index 5d8d7b72..81fe5b82 100644
--- a/views/layout/default.blade.php
+++ b/views/layout/default.blade.php
@@ -57,9 +57,15 @@
 		Grocy.CalendarFirstDayOfWeek = '{{ GROCY_CALENDAR_FIRST_DAY_OF_WEEK }}';
 		Grocy.CalendarShowWeekNumbers = {{ BoolToString(GROCY_CALENDAR_SHOW_WEEK_OF_YEAR) }};
 		Grocy.GettextPo = {!! $GettextPo !!};
-		Grocy.UserSettings = {!! json_encode($userSettings) !!};
 		Grocy.FeatureFlags = {!! json_encode($featureFlags) !!};
+
+		@if (GROCY_AUTHENTICATED)
+		Grocy.UserSettings = {!! json_encode($userSettings) !!};
 		Grocy.UserId = {{ GROCY_USER_ID }};
+		@else
+		Grocy.UserSettings = { };
+		Grocy.UserId = -1;
+		@endif
 	</script>
 </head>