diff --git a/src/tests/rec_factorial.exp b/src/tests/rec_factorial.exp
new file mode 100644
index 0000000..89810b1
--- /dev/null
+++ b/src/tests/rec_factorial.exp
@@ -0,0 +1 @@
+5040
diff --git a/src/tests/rec_factorial.lambda b/src/tests/rec_factorial.lambda
new file mode 100644
index 0000000..b47bfc2
--- /dev/null
+++ b/src/tests/rec_factorial.lambda
@@ -0,0 +1,9 @@
+let rec fact = fun n ->
+    ifzero n then
+        1
+    else
+        let sub_val = fact (n - 1) in
+        n * sub_val
+    in
+
+print (fact 7)