diff --git a/.storybook/preview.tsx b/.storybook/preview.tsx
index 34c925dd8..9d2c34354 100644
--- a/.storybook/preview.tsx
+++ b/.storybook/preview.tsx
@@ -63,17 +63,19 @@ const getTheme = (
     selectedPlatform?: Platform,
     selectedColorScheme?: ColorScheme
 ): ThemeConfig => {
-    const skin = selectedSkin ?? MOVISTAR_SKIN;
-    const platform = selectedPlatform ?? 'desktop';
-    const colorScheme = selectedColorScheme ?? 'auto';
-    const themeConfig = AVAILABLE_THEMES.find(({skin: skinConfig}) => skinConfig.name === skin) || Movistar;
+    const themeConfig =
+        AVAILABLE_THEMES.find(({skin: skinConfig}) => skinConfig.name === selectedSkin) || Movistar;
     return {
         ...themeConfig,
-        colorScheme,
-        platformOverrides: {
-            platform,
-            insideNovumNativeApp: platform !== 'desktop',
-        },
+        ...(selectedColorScheme ? {colorScheme: selectedColorScheme} : {}),
+        ...(selectedPlatform
+            ? {
+                  platformOverrides: {
+                      platform: selectedPlatform,
+                      insideNovumNativeApp: selectedPlatform !== 'desktop',
+                  },
+              }
+            : {}),
         enableTabFocus: true,
         dimensions: {
             headerMobileHeight: 'mistica',