diff --git a/test/compliance/cases/stdlib/json_encode_enum_case.phpt b/test/compliance/cases/stdlib/json_encode_enum_case.phpt
index 45e0f358fab..0936785e1c6 100644
--- a/test/compliance/cases/stdlib/json_encode_enum_case.phpt
+++ b/test/compliance/cases/stdlib/json_encode_enum_case.phpt
@@ -2,11 +2,11 @@
 stdlib json_encode() on enum cases matches Zend (issues #6130, #6598)
 --FILE--
 <?php
-enum UnitEnum { case A; }
+enum UE { case A; }
 enum BackedString: string { case X = 'x'; }
 enum BackedInt: int { case One = 1; }
 
-echo 'unit:', json_encode(UnitEnum::A), "\n";
+echo 'unit:', json_encode(UE::A), "\n";
 echo 'backed_string:', json_encode(BackedString::X), "\n";
 echo 'backed_int:', json_encode(BackedInt::One), "\n";
 --EXPECT--
diff --git a/test/compliance/cases/stdlib/json_encode_enum_case_jit.phpt b/test/compliance/cases/stdlib/json_encode_enum_case_jit.phpt
new file mode 100644
index 00000000000..d6e5fad2e23
--- /dev/null
+++ b/test/compliance/cases/stdlib/json_encode_enum_case_jit.phpt
@@ -0,0 +1,16 @@
+--TEST--
+stdlib json_encode() JIT — enum cases match Zend (#6130, ext/json/php_json.c)
+--JIT--
+--FILE--
+<?php
+enum UE { case A; }
+enum BackedString: string { case X = 'x'; }
+enum BackedInt: int { case One = 1; }
+
+echo 'unit:', json_encode(UE::A), "\n";
+echo 'backed_string:', json_encode(BackedString::X), "\n";
+echo 'backed_int:', json_encode(BackedInt::One), "\n";
+--EXPECT--
+unit:""
+backed_string:"x"
+backed_int:1
diff --git a/test/repro-maintainer/parity_json_encode_enum.php b/test/repro-maintainer/parity_json_encode_enum.php
index fa5073d8c75..41d48dd06e0 100644
--- a/test/repro-maintainer/parity_json_encode_enum.php
+++ b/test/repro-maintainer/parity_json_encode_enum.php
@@ -1,9 +1,9 @@
 <?php
 
-enum UnitEnum { case A; }
+enum UE { case A; }
 enum BackedString: string { case X = 'x'; }
 enum BackedInt: int { case One = 1; }
 
-echo 'unit: ', json_encode(UnitEnum::A), "\n";
+echo 'unit: ', json_encode(UE::A), "\n";
 echo 'backed_string: ', json_encode(BackedString::X), "\n";
 echo 'backed_int: ', json_encode(BackedInt::One), "\n";