diff --git a/src/components/settings.tsx b/src/components/settings.tsx
index e108cc3..7ec42ed 100644
--- a/src/components/settings.tsx
+++ b/src/components/settings.tsx
@@ -519,7 +519,7 @@ const Settings = ({
                   value={showDayTimeOnXAxis}
                   onValueChange={value => onUpdateUiSetting('showDayTimeOnXAxis', value)}
                 >
-                  <SelectTrigger className="w-[240px]">
+                  <SelectTrigger className="w-[360px]">
                     <SelectValue />
                   </SelectTrigger>
                   <SelectContent>
@@ -818,7 +818,7 @@ const Settings = ({
                 value={pkParams.advanced.standardVd?.preset || 'adult'}
                 onValueChange={(value: 'adult' | 'child' | 'custom') => updateAdvanced('standardVd', 'preset', value)}
               >
-                <SelectTrigger>
+                <SelectTrigger className="w-[360px]">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -985,7 +985,7 @@ const Settings = ({
                     updateAdvanced('urinePh', 'mode', value)
                   }
                 >
-                  <SelectTrigger id="urinePHMode">
+                  <SelectTrigger id="urinePHMode" className="w-[360px]">
                     <SelectValue />
                   </SelectTrigger>
                   <SelectContent>
@@ -1026,7 +1026,7 @@ const Settings = ({
                   updateAdvancedDirect('ageGroup', { preset: value });
                 }}
               >
-                <SelectTrigger className="w-full">
+                <SelectTrigger className="w-[360px]">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
diff --git a/src/constants/defaults.ts b/src/constants/defaults.ts
index fede593..38fb74c 100644
--- a/src/constants/defaults.ts
+++ b/src/constants/defaults.ts
@@ -168,7 +168,7 @@ export const getDefaultState = (): AppState => ({
     yAxisMin: '',
     yAxisMax: '',
     simulationDays: '5',
-    displayedDays: '1',
+    displayedDays: '2',
     showTherapeuticRange: false,
     steadyStateDaysEnabled: true,
     stickyChart: false,