diff --git a/gds/gpio_control_block.gds.gz b/gds/gpio_control_block.gds.gz
index c448c953..cf332bd3 100644
Binary files a/gds/gpio_control_block.gds.gz and b/gds/gpio_control_block.gds.gz differ
diff --git a/mag/gpio_control_block.mag b/mag/gpio_control_block.mag
index 1987e43b..18d3cd16 100644
--- a/mag/gpio_control_block.mag
+++ b/mag/gpio_control_block.mag
@@ -2,6 +2,8 @@ magic
 tech sky130A
 magscale 1 2
 timestamp 1665359485
+<< isosubstrate >>
+rect 1090 1552 2656 4518
 << viali >>
 rect 3985 11849 4019 11883
 rect 1317 11713 1351 11747
diff --git a/openlane/gpio_control_block/interactive.tcl b/openlane/gpio_control_block/interactive.tcl
index e4c3a3fa..3084f757 100644
--- a/openlane/gpio_control_block/interactive.tcl
+++ b/openlane/gpio_control_block/interactive.tcl
@@ -107,7 +107,7 @@ run_antenna_check
 run_lef_cvc
 calc_total_runtime
 save_final_views
-save_final_views -save_path .. -tag $::env(RUN_OPENLANE_RUN_TAG)
+save_final_views -save_path .. -tag $::env(OPENLANE_RUN_TAG)
 save_state
 generate_final_summary_report
 check_timing_violations