diff --git a/tests/unit/src/unit/issues/Issue12838.hx b/tests/unit/src/unit/issues/Issue12838.hx
new file mode 100644
index 00000000000..f7773d978fb
--- /dev/null
+++ b/tests/unit/src/unit/issues/Issue12838.hx
@@ -0,0 +1,7 @@
+package unit.issues;
+
+class Issue12838 extends Test {
+	function test() {
+		eq(Reflect.callMethod(null, Reflect.field(String, "fromCharCode"), [65]), "A");
+	}
+}