diff --git a/DRAMSys/traceAnalyzer/scripts/vcdExport.py b/DRAMSys/traceAnalyzer/scripts/vcdExport.py
index 3cdcf1f1..d7484aa8 100755
--- a/DRAMSys/traceAnalyzer/scripts/vcdExport.py
+++ b/DRAMSys/traceAnalyzer/scripts/vcdExport.py
@@ -195,8 +195,8 @@ def getCommandBusEvents(connection, eventDict, transactionDict):
                         currentBanks.append((rank, _bankgroup, _bank))
 
             elif getGranularity(phase) == Granularity.Groupwise:
-                for _bank in range(banks):
-                    currentBanks.append((rank, bankgroup, _bank))
+                for _bankgroup in range(bankgroups):
+                    currentBanks.append((rank, _bankgroup, bank))
 
             else:
                 currentBanks.append((rank, bankgroup, bank))