diff --git a/technology/freepdk45/tech/freepdk45.lylvs b/technology/freepdk45/tech/freepdk45.lylvs
index bf4852d8..73a5c351 100644
--- a/technology/freepdk45/tech/freepdk45.lylvs
+++ b/technology/freepdk45/tech/freepdk45.lylvs
@@ -214,7 +214,7 @@ end
 #connect_global(nwell, "NWELL")
 #connect_global(bulk, "BULK")
 
-for pat in %w(pinv* pnor* pnand* and?_dec* port_address* replica_bitcell_array*)
+for pat in %w(pinv* pnor* pnand* and?_dec* write_driver* port_address* replica_bitcell_array*)
   connect_explicit(pat, [ "NWELL", "vdd" ])
   connect_explicit(pat, [ "BULK", "PWELL", "gnd" ])
 end
diff --git a/technology/scn4m_subm/tech/scn4m_subm.lylvs b/technology/scn4m_subm/tech/scn4m_subm.lylvs
index 4421d627..be9e8ac2 100644
--- a/technology/scn4m_subm/tech/scn4m_subm.lylvs
+++ b/technology/scn4m_subm/tech/scn4m_subm.lylvs
@@ -164,7 +164,7 @@ connect_global(pwell, "PWELL")
 connect_global(nwell, "NWELL")
 #connect_global(bulk, "BULK")
 
-for pat in %w(pinv* pnor* pnand* and?_dec* port_address* replica_bitcell_array*)
+for pat in %w(pinv* pnor* pnand* and?_dec* write_driver* port_address* replica_bitcell_array*)
   connect_explicit(pat, [ "NWELL", "vdd" ])
   connect_explicit(pat, [ "BULK", "PWELL", "gnd" ])
 end