diff --git a/tests/programs/register-overlap.q b/tests/programs/chained-calls.q
similarity index 100%
rename from tests/programs/register-overlap.q
rename to tests/programs/chained-calls.q
diff --git a/tests/programs/multi-calls.q b/tests/programs/multi-calls.q
deleted file mode 100644
index bffc930..0000000
--- a/tests/programs/multi-calls.q
+++ /dev/null
@@ -1,7 +0,0 @@
-main() {
-	syscall(60, f(1) + f(2) + f(3))
-}
-
-f(x) {
-	return x + 1
-}
\ No newline at end of file
diff --git a/tests/programs/nested-calls.q b/tests/programs/nested-calls.q
new file mode 100644
index 0000000..8844729
--- /dev/null
+++ b/tests/programs/nested-calls.q
@@ -0,0 +1,11 @@
+main() {
+	exit(f(f(f(1))))
+}
+
+exit(code) {
+	syscall(60, code)
+}
+
+f(x) {
+	return x + 1
+}
\ No newline at end of file
diff --git a/tests/programs_test.go b/tests/programs_test.go
index 2a785e8..cd70f45 100644
--- a/tests/programs_test.go
+++ b/tests/programs_test.go
@@ -16,10 +16,10 @@ var programs = []struct {
 	ExpectedExitCode int
 }{
 	{"empty.q", "", 0},
-	{"multi-calls.q", "", 9},
 	{"precedence.q", "", 10},
-	{"register-overlap.q", "", 9},
 	{"square-sum.q", "", 25},
+	{"chained-calls.q", "", 9},
+	{"nested-calls.q", "", 4},
 }
 
 func TestPrograms(t *testing.T) {