diff --git a/src/Yasumi/Provider/ChristianHolidays.php b/src/Yasumi/Provider/ChristianHolidays.php
index 5af2d1e9b..af7ed8dd2 100644
--- a/src/Yasumi/Provider/ChristianHolidays.php
+++ b/src/Yasumi/Provider/ChristianHolidays.php
@@ -358,7 +358,7 @@ protected function calculateEaster(int $year, string $timezone): \DateTimeInterf
                 }
 
                 $solar = (int) (($year - 1600) / 100) - (int) (($year - 1600) / 400); // The solar correction
-                $lunar = (int) (($year - 1400) / 100 * 8 / 25); // The lunar correction
+                $lunar = (int) (((int) (($year - 1400) / 100) * 8) / 25); // The lunar correction
 
                 $pfm = (3 - (11 * $golden) + $solar - $lunar) % 30; // Uncorrected date of the Paschal full moon
             }
diff --git a/tests/Belgium/EasterTest.php b/tests/Belgium/EasterTest.php
index 2b28af1f8..dfe74c83e 100644
--- a/tests/Belgium/EasterTest.php
+++ b/tests/Belgium/EasterTest.php
@@ -41,6 +41,13 @@ public function testEaster(): void
             $year,
             new \DateTime("{$year}-4-4", new \DateTimeZone(self::TIMEZONE))
         );
+        $year = 2025;
+        $this->assertHoliday(
+            self::REGION,
+            self::HOLIDAY,
+            $year,
+            new \DateTime("{$year}-4-20", new \DateTimeZone(self::TIMEZONE))
+        );
     }
 
     /**
diff --git a/tests/France/EasterMondayTest.php b/tests/France/EasterMondayTest.php
index 42498338d..bcca737d8 100644
--- a/tests/France/EasterMondayTest.php
+++ b/tests/France/EasterMondayTest.php
@@ -41,6 +41,13 @@ public function testEasterMonday(): void
             $year,
             new \DateTime("{$year}-3-28", new \DateTimeZone(self::TIMEZONE))
         );
+        $year = 2025;
+        $this->assertHoliday(
+            self::REGION,
+            self::HOLIDAY,
+            $year,
+            new \DateTime("{$year}-4-21", new \DateTimeZone(self::TIMEZONE))
+        );
     }
 
     /**