diff --git a/CHANGES.rst b/CHANGES.rst
index 26c18624..f687178e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,7 +5,8 @@ Changelog
 2.8.4 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Fix first available day result.
+  [folix-01]
 
 
 2.8.3 (2024-11-28)
diff --git a/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py b/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py
index 8a5ea422..5d6d9f4a 100644
--- a/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py
+++ b/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py
@@ -311,6 +311,9 @@ def is_valid_day(self, day, bypass_user_restrictions=False):
 
         is_configured_day = self.is_configured_day(day)
 
+        if self.is_vacation_day(day):
+            return False
+
         if bypass_user_restrictions:
             return True
 
@@ -324,9 +327,6 @@ def is_valid_day(self, day, bypass_user_restrictions=False):
         if day < self.first_bookable_day:
             return False
 
-        if self.is_vacation_day(day):
-            return False
-
         if self.last_bookable_day and day > self.last_bookable_day:
             return False