diff --git a/src/pandablocks_ioc/_pvi.py b/src/pandablocks_ioc/_pvi.py
index 314e6121..a9665a84 100644
--- a/src/pandablocks_ioc/_pvi.py
+++ b/src/pandablocks_ioc/_pvi.py
@@ -206,7 +206,7 @@ def add_positions_table_row(
         SignalRW(
             name=epics_to_pvi_name(units_record_name),
             label=units_record_name,
-            write_pv=f"{Pvi.record_prefix}:{value_record_name}",
+            write_pv=f"{Pvi.record_prefix}:{units_record_name}",
             write_widget=TextWrite(),
         ),
         SignalRW(
diff --git a/src/pandablocks_ioc/ioc.py b/src/pandablocks_ioc/ioc.py
index 25df812f..208a53a6 100644
--- a/src/pandablocks_ioc/ioc.py
+++ b/src/pandablocks_ioc/ioc.py
@@ -923,6 +923,7 @@ def dataset_record_on_update(new_dataset_name):
             INPB=builder.CP(record_dict[scale_record_name].record),
             INPC=builder.CP(record_dict[offset_record_name].record),
             DESC="Value with scaling applied",
+            PREC=5,
         )
 
         # Create the POSITIONS "table" of records. Most are aliases of the records