diff --git a/Makefile b/Makefile
index ffaf43a..374c017 100644
--- a/Makefile
+++ b/Makefile
@@ -137,6 +137,7 @@ test/example:
 	${CELL} -d -t riscv tests/examples/panic.cell && ckb-debugger --bin panic | grep "runtime panic: hah"
 	${CELL} -d -t riscv tests/examples/if-cond.cell && ckb-debugger --bin if-cond | grep "100:0:ss"
 	${CELL} -d -t riscv tests/examples/return.cell && ckb-debugger --bin return
+	${CELL} -d -t riscv tests/examples/named-ret-type.cell && ckb-debugger --bin named-ret-type | grep "0"
 	${CELL} -d -t riscv tests/examples/func.cell && ckb-debugger --bin func | grep "999"
 	${CELL} -t riscv tests/examples/cell-data.cell && ckb-debugger --bin cell-data
 	${CELL} -t riscv tests/examples/inputs.cell && ckb-debugger --bin inputs
diff --git a/tests/examples/named-ret-type.cell b/tests/examples/named-ret-type.cell
new file mode 100644
index 0000000..bb38102
--- /dev/null
+++ b/tests/examples/named-ret-type.cell
@@ -0,0 +1,9 @@
+import "debug"
+func foo() (ret uint64) {
+	return
+}
+func main() {
+	a := foo()
+	debug.Printf("%d", a)
+	return 0
+}