diff --git a/flap/src/hopix/hopixTypechecker.ml b/flap/src/hopix/hopixTypechecker.ml
index c07e501..6cd68ff 100644
--- a/flap/src/hopix/hopixTypechecker.ml
+++ b/flap/src/hopix/hopixTypechecker.ml
@@ -202,7 +202,9 @@ and synth_assign
 and synth_read
   : HopixTypes.typing_environment -> expression Position.located -> HopixTypes.aty
   =
-  fun tenv ref -> failwith "Students! This is your job! (synth_read)"
+  fun tenv ref ->
+  let refty = synth_expression tenv ref in
+  HopixTypes.destruct_reference_type ref.position refty
 
 and synth_case
   :  HopixTypes.typing_environment -> expression Position.located