diff --git a/Language.agda b/Language.agda
index d6f83f0..7ece4ea 100644
--- a/Language.agda
+++ b/Language.agda
@@ -38,6 +38,8 @@ data BasicStmt : Set where
     noop : BasicStmt
 
 infixr 2 _then_
+infix 3 while_repeat_
+infix 3 if_then_else_
 data Stmt : Set where
     ⟨_⟩ : BasicStmt → Stmt
     _then_ : Stmt → Stmt → Stmt