diff --git a/modules/gui/src/sequence/sequence_row.cc b/modules/gui/src/sequence/sequence_row.cc
index 517a86eeeb779d7d5cafced51ead05232c61afaf..f614799f1d14fa71b95dd8b05d2eb15845889fbb 100644
--- a/modules/gui/src/sequence/sequence_row.cc
+++ b/modules/gui/src/sequence/sequence_row.cc
@@ -112,7 +112,7 @@ QVariant SequenceRow::GetData(int column, int role) const
 
 Qt::ItemFlags SequenceRow::Flags(int column) const
 {
-  if(column<0 || column > this->GetColumnCount())return Qt::NoItemFlags;
+  if(column<0 || column >= this->GetColumnCount())return Qt::NoItemFlags;
 
   if(column==0){
     return Qt::ItemIsSelectable|Qt::ItemIsEnabled;