diff --git a/apps/admin/data/fitai.db b/apps/admin/data/fitai.db
index 4915813..c773da1 100644
Binary files a/apps/admin/data/fitai.db and b/apps/admin/data/fitai.db differ
diff --git a/apps/mobile/src/app/fitness-profile.tsx b/apps/mobile/src/app/fitness-profile.tsx
index 4252097..59ef8cc 100644
--- a/apps/mobile/src/app/fitness-profile.tsx
+++ b/apps/mobile/src/app/fitness-profile.tsx
@@ -160,14 +160,15 @@ export default function FitnessProfileScreen() {
       const token = await getToken();
 
       // Prepare data with userId and convert fitnessGoal to fitnessGoals array
+      // Convert empty strings to undefined for optional enum fields
       const dataToSave = {
         userId: userId,
         height: profileData.height,
         weight: profileData.weight,
         age: profileData.age,
-        gender: profileData.gender,
+        gender: profileData.gender || undefined,
         fitnessGoals: profileData.fitnessGoal ? [profileData.fitnessGoal] : [],
-        activityLevel: profileData.activityLevel,
+        activityLevel: profileData.activityLevel || undefined,
         medicalConditions: profileData.medicalConditions,
         allergies: profileData.allergies,
         injuries: profileData.injuries,