diff --git a/alliance/share/cells/sxlib/no4_x1.ap b/alliance/share/cells/sxlib/no4_x1.ap
index 0e145087..52a165e9 100644
--- a/alliance/share/cells/sxlib/no4_x1.ap
+++ b/alliance/share/cells/sxlib/no4_x1.ap
@@ -2,6 +2,7 @@ V ALLIANCE : 4
 H no4_x1,P,24/ 7/99,100
 A 0,0,3000,5000
 C 3000,300,600,vss,1,EAST,ALU1
+C 3000,4700,600,vdd,1,EAST,ALU1
 C 0,300,600,vss,0,WEST,ALU1
 C 0,4700,600,vdd,0,WEST,ALU1
 R 500,1000,ref_con,nq_10