diff --git a/ext/calendar/tests/bug80185_32bit.phpt b/ext/calendar/tests/bug80185_32bit.phpt
index 8d7088fe856c..ed54502f4432 100644
--- a/ext/calendar/tests/bug80185_32bit.phpt
+++ b/ext/calendar/tests/bug80185_32bit.phpt
@@ -11,16 +11,16 @@ if (PHP_INT_SIZE != 4) die("skip for 32bit platforms only");
 try {
     var_dump(jdtounix(2465712));
 } catch (ValueError $ex) {
-    echo $ex->getMessage(), PHP_EOL;
+    echo $ex::class, ': ', $ex->getMessage(), PHP_EOL;
 }
 var_dump(jdtounix((int)(PHP_INT_MAX / 86400 + 2440588)));
 try {
     var_dump(jdtounix((int)(PHP_INT_MAX / 86400 + 2440589)));
 } catch (ValueError $ex) {
-    echo $ex->getMessage(), PHP_EOL;
+    echo $ex::class, ': ', $ex->getMessage(), PHP_EOL;
 }
 ?>
 --EXPECT--
-jday must be between 2440588 and 2465443
+ValueError: jdtounix(): Argument #1 ($julian_day) jday must be between 2440588 and 2465443
 int(2147472000)
-jday must be between 2440588 and 2465443
+ValueError: jdtounix(): Argument #1 ($julian_day) jday must be between 2440588 and 2465443