diff --git a/ir.py b/ir.py
index 48797a9..bbf5fd9 100644
--- a/ir.py
+++ b/ir.py
@@ -183,7 +183,10 @@ class LetBinding:
 
 	def codegen(self) -> str:
 		rhs_cg = self.rhs.codegen_named(self.lhs) if isinstance(self.rhs, MonoFunc) else self.rhs.codegen()
-		return f'({self.lhs}=>{self.body.codegen()})({rhs_cg})'
+		if self.body == Variable(self.lhs):
+			return rhs_cg
+		else:
+			return f'({self.lhs}=>{self.body.codegen()})({rhs_cg})'
 
 @dataclass
 class Application: