diff --git a/etesian/src/EtesianEngine.cpp b/etesian/src/EtesianEngine.cpp
index 67b09085..cbc66f07 100644
--- a/etesian/src/EtesianEngine.cpp
+++ b/etesian/src/EtesianEngine.cpp
@@ -754,7 +754,7 @@ namespace Etesian {
     for ( Occurrence occurrence : getCell()->getTerminalNetlistInstanceOccurrences(getBlockInstance()) ) {
       ++instancesNb;
       Instance* instance   = static_cast<Instance*>(occurrence.getEntity());
-      Box       instanceAb = instance->getAbutmentBox();
+      Box       instanceAb = _bloatCells.getAb( occurrence );
       string    masterName = getString( instance->getMasterCell()->getName() );
       DbU::Unit length = (instanceAb.getHeight() / sliceHeight) * instanceAb.getWidth();
       if (af->isRegister(masterName)) {