diff --git a/TPC/DAQ/TPCRawDataTree/TPCRawDataTree.cc b/TPC/DAQ/TPCRawDataTree/TPCRawDataTree.cc
index efc5ee5c..0fc6612b 100644
--- a/TPC/DAQ/TPCRawDataTree/TPCRawDataTree.cc
+++ b/TPC/DAQ/TPCRawDataTree/TPCRawDataTree.cc
@@ -178,7 +178,7 @@ int TPCRawDataTree::process_event(PHCompositeNode *topNode)
       else{ fillHist=R3_hist; fillHist2D=R3_time;}
 
 
-      assert(m_nSamples < (int) m_adcSamples.size());  // no need for movements in memory allocation
+      assert(m_nSamples <= (int) m_adcSamples.size());  // no need for movements in memory allocation
       for (int s = 0; s < m_nSamples; s++)
       {
         m_adcSamples[s] = p->iValue(wf, s);