diff --git a/test/suites/invalid/null-escape-in-string/error b/test/suites/invalid/null-escape-in-string/error
new file mode 100644
index 0000000..3f5c8c6
--- /dev/null
+++ b/test/suites/invalid/null-escape-in-string/error
@@ -0,0 +1,2 @@
+1 33 33
+\u0000 is not allowed without JSON_ALLOW_NUL
diff --git a/test/suites/invalid/null-escape-in-string/input b/test/suites/invalid/null-escape-in-string/input
new file mode 100644
index 0000000..dbc9c9a
--- /dev/null
+++ b/test/suites/invalid/null-escape-in-string/input
@@ -0,0 +1 @@
+["null escape \u0000 not allowed"]