diff --git a/include/fast_io_core_impl/operations/print_freestanding.h b/include/fast_io_core_impl/operations/print_freestanding.h
index 89b6c3c28..f55db1c5f 100644
--- a/include/fast_io_core_impl/operations/print_freestanding.h
+++ b/include/fast_io_core_impl/operations/print_freestanding.h
@@ -544,7 +544,7 @@ inline constexpr void print_control_single(output outstm,T t)
 				else
 				{
 					auto [resit, done] = st.print_context_define(t,bcurr,bed);
-					obuffer_set_curr(resit);
+					obuffer_set_curr(outstm, resit);
 					if(done)
 #if __has_cpp_attribute(likely)
 						[[likely]]