diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_hvc_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_hvc_pad.lef
index 8a71aa4..8170349 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_hvc_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_hvc_pad.lef
@@ -3,7 +3,7 @@
   DIVIDERCHAR "/" ;
   BUSBITCHARS "[]" ;
 MACRO sky130_ef_io__vssa_hvc_pad
-  CLASS PAD GROUND ;
+  CLASS PAD POWER ;
   FOREIGN sky130_ef_io__vssa_hvc_pad ;
   ORIGIN 0.000 0.000 ;
   SIZE 75.000 BY 197.965 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_lvc_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_lvc_pad.lef
index f5e7954..9998a11 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_lvc_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssa_lvc_pad.lef
@@ -3,7 +3,7 @@
   DIVIDERCHAR "/" ;
   BUSBITCHARS "[]" ;
 MACRO sky130_ef_io__vssa_lvc_pad
-  CLASS PAD GROUND ;
+  CLASS PAD POWER ;
   FOREIGN sky130_ef_io__vssa_lvc_pad ;
   ORIGIN 0.000 0.000 ;
   SIZE 75.000 BY 197.965 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_hvc_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_hvc_pad.lef
index f62dbcd..1b6ec64 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_hvc_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_hvc_pad.lef
@@ -3,7 +3,7 @@
   DIVIDERCHAR "/" ;
   BUSBITCHARS "[]" ;
 MACRO sky130_ef_io__vssd_hvc_pad
-  CLASS PAD GROUND ;
+  CLASS PAD POWER ;
   FOREIGN sky130_ef_io__vssd_hvc_pad ;
   ORIGIN 0.000 0.000 ;
   SIZE 75.000 BY 197.965 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_lvc_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_lvc_pad.lef
index 9d49ac8..3022206 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_lvc_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssd_lvc_pad.lef
@@ -3,7 +3,7 @@
   DIVIDERCHAR "/" ;
   BUSBITCHARS "[]" ;
 MACRO sky130_ef_io__vssd_lvc_pad
-  CLASS PAD GROUND ;
+  CLASS PAD POWER ;
   FOREIGN sky130_ef_io__vssd_lvc_pad ;
   ORIGIN 0.000 0.000 ;
   SIZE 75.000 BY 197.965 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_hvc_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_hvc_pad.lef
index 33955ab..aa35508 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_hvc_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_hvc_pad.lef
@@ -3,7 +3,7 @@
   DIVIDERCHAR "/" ;
   BUSBITCHARS "[]" ;
 MACRO sky130_ef_io__vssio_hvc_pad
-  CLASS PAD GROUND ;
+  CLASS PAD POWER ;
   FOREIGN sky130_ef_io__vssio_hvc_pad ;
   ORIGIN 0.000 0.000 ;
   SIZE 75.000 BY 197.965 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_lvc_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_lvc_pad.lef
index 6978f93..7f326f5 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_lvc_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__vssio_lvc_pad.lef
@@ -3,7 +3,7 @@
   DIVIDERCHAR "/" ;
   BUSBITCHARS "[]" ;
 MACRO sky130_ef_io__vssio_lvc_pad
-  CLASS PAD GROUND ;
+  CLASS PAD POWER ;
   FOREIGN sky130_ef_io__vssio_lvc_pad ;
   ORIGIN 0.000 0.000 ;
   SIZE 75.000 BY 197.965 ;