diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c
index 2225d21d187..1da17b247b2 100644
--- a/ext/phar/phar_object.c
+++ b/ext/phar/phar_object.c
@@ -1500,7 +1500,7 @@ static int phar_build(zend_object_iterator *iter, void *puser) /* {{{ */
 			}
 			ZEND_FALLTHROUGH;
 		default:
-			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid value (must return a string)", ZSTR_VAL(ce->name));
+			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid value (must return a string, a stream, or an SplFileInfo object)", ZSTR_VAL(ce->name));
 			return ZEND_HASH_APPLY_STOP;
 	}
 
diff --git a/ext/phar/tests/phar_buildfromiterator5.phpt b/ext/phar/tests/phar_buildfromiterator5.phpt
index 1e937fe4e8d..2ddf1c282ec 100644
--- a/ext/phar/tests/phar_buildfromiterator5.phpt
+++ b/ext/phar/tests/phar_buildfromiterator5.phpt
@@ -49,4 +49,4 @@ rewind
 valid
 current
 %s(24) "UnexpectedValueException"
-Iterator myIterator returned an invalid value (must return a string)
+Iterator myIterator returned an invalid value (must return a string, a stream, or an SplFileInfo object)
diff --git a/ext/phar/tests/tar/phar_buildfromiterator5.phpt b/ext/phar/tests/tar/phar_buildfromiterator5.phpt
index 27d9dc323b4..6a81c1df65d 100644
--- a/ext/phar/tests/tar/phar_buildfromiterator5.phpt
+++ b/ext/phar/tests/tar/phar_buildfromiterator5.phpt
@@ -49,4 +49,4 @@ rewind
 valid
 current
 %s(24) "UnexpectedValueException"
-Iterator myIterator returned an invalid value (must return a string)
+Iterator myIterator returned an invalid value (must return a string, a stream, or an SplFileInfo object)
diff --git a/ext/phar/tests/zip/phar_buildfromiterator5.phpt b/ext/phar/tests/zip/phar_buildfromiterator5.phpt
index fb34f090954..3c587dfc9c8 100644
--- a/ext/phar/tests/zip/phar_buildfromiterator5.phpt
+++ b/ext/phar/tests/zip/phar_buildfromiterator5.phpt
@@ -49,4 +49,4 @@ rewind
 valid
 current
 %s(24) "UnexpectedValueException"
-Iterator myIterator returned an invalid value (must return a string)
+Iterator myIterator returned an invalid value (must return a string, a stream, or an SplFileInfo object)