diff --git a/Makefile b/Makefile
index 54740c39..46b745e1 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,7 @@ MCW ?=LITEX_VEXRISCV
 MPW_TAG ?= mpw-5c
 
 # PDK switch varient
-export PDK?=sky130B
+export PDK?=sky130A
 
 # Install lite version of caravel, (1): caravel-lite, (0): caravel
 MCW_LITE?=1