diff --git a/libs/estdlib/src/erlang.erl b/libs/estdlib/src/erlang.erl
index 581753b7c..bb4cc85ff 100644
--- a/libs/estdlib/src/erlang.erl
+++ b/libs/estdlib/src/erlang.erl
@@ -673,7 +673,7 @@ binary_to_integer(_Binary) ->
 %% @end
 %%-----------------------------------------------------------------------------
 -spec binary_to_integer(Binary :: binary(), Base :: 2..36) -> integer().
-binary_to_integer(_Binary, Base) ->
+binary_to_integer(_Binary, _Base) ->
     erlang:nif_error(undefined).
 
 %%-----------------------------------------------------------------------------