diff --git a/examples/acceptance_tests/045/aiken.lock b/examples/acceptance_tests/045/aiken.lock
new file mode 100644
index 00000000..3a78b1e7
--- /dev/null
+++ b/examples/acceptance_tests/045/aiken.lock
@@ -0,0 +1,5 @@
+# This file was generated by Aiken
+# You typically do not need to edit this file
+
+requirements = []
+packages = []
diff --git a/examples/acceptance_tests/045/aiken.toml b/examples/acceptance_tests/045/aiken.toml
new file mode 100644
index 00000000..903e1793
--- /dev/null
+++ b/examples/acceptance_tests/045/aiken.toml
@@ -0,0 +1,3 @@
+name = 'aiken-lang/acceptance_test_045'
+version = '0.0.0'
+description = ''
diff --git a/examples/acceptance_tests/045/lib/tests.ak b/examples/acceptance_tests/045/lib/tests.ak
new file mode 100644
index 00000000..3dbcb87e
--- /dev/null
+++ b/examples/acceptance_tests/045/lib/tests.ak
@@ -0,0 +1,15 @@
+fn fibonnaci(n) {
+  if n == 0 {
+    0
+  } else if n == 1 {
+    1
+  } else {
+    fibonnaci(n - 2) + fibonnaci(n - 1)
+  }
+}
+
+test foo() {
+  let right = fn() { fibonnaci(15) == 610 }
+  let left = False
+  left || right()
+}