diff --git a/src/Fake.hs b/src/Fake.hs
index facfe1a..9cc9a74 100644
--- a/src/Fake.hs
+++ b/src/Fake.hs
@@ -361,6 +361,8 @@ eval (FunctionCall (Function "ulid" [])) = getUlid
 eval (FunctionCall (Function "null" [])) = pure Null
 eval (FunctionCall (Function "randomBool" [])) = randomBool
 eval (FunctionCall (Function "randomChar" [])) = randomChar
+eval (FunctionCall (Function "randomInt" [])) = randomInt (IntLiteral 0) (IntLiteral 2147483647)
+eval (FunctionCall (Function "randomInt" [upper])) = randomInt (IntLiteral 0) upper
 eval (FunctionCall (Function "randomInt" [lower, upper])) = randomInt lower upper
 eval (FunctionCall (Function "randomDouble" [lower, upper])) = randomDouble lower upper
 eval (FunctionCall (Function "randomDate" [])) = dayAsValue <$> randomDate Nothing Nothing