diff --git a/frontend/src/contexts/AuthContext.js b/frontend/src/contexts/AuthContext.js
index 6338971..80d97a4 100644
--- a/frontend/src/contexts/AuthContext.js
+++ b/frontend/src/contexts/AuthContext.js
@@ -148,7 +148,10 @@ export const AuthProvider = ({ children }) => {
       dispatch({ type: actionTypes.SET_LOADING, payload: true });
       dispatch({ type: actionTypes.CLEAR_ERROR });
 
-      const response = await authAPI.register(userData);
+      // Filter out frontend-only fields before sending to backend
+      const { confirmPassword, agreeTerms, ...backendData } = userData;
+
+      const response = await authAPI.register(backendData);
       
       dispatch({
         type: actionTypes.LOGIN_SUCCESS,