diff --git a/ui/qt/models/packet_list_model.cpp b/ui/qt/models/packet_list_model.cpp
index 668c9070f7..6c6f23af36 100644
--- a/ui/qt/models/packet_list_model.cpp
+++ b/ui/qt/models/packet_list_model.cpp
@@ -143,8 +143,8 @@ void PacketListModel::clear() {
 void PacketListModel::invalidateAllColumnStrings()
 {
     PacketListRecord::invalidateAllRecords();
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
-    headerDataChanged(Qt::Horizontal, 0, columnCount() - 1);
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit headerDataChanged(Qt::Horizontal, 0, columnCount() - 1);
 }
 
 void PacketListModel::resetColumns()
@@ -152,8 +152,8 @@ void PacketListModel::resetColumns()
     if (cap_file_) {
         PacketListRecord::resetColumns(&cap_file_->cinfo);
     }
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
-    headerDataChanged(Qt::Horizontal, 0, columnCount() - 1);
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit headerDataChanged(Qt::Horizontal, 0, columnCount() - 1);
 }
 
 void PacketListModel::resetColorized()
@@ -161,7 +161,7 @@ void PacketListModel::resetColorized()
     foreach (PacketListRecord *record, physical_rows_) {
         record->resetColorized();
     }
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
 }
 
 void PacketListModel::toggleFrameMark(const QModelIndex &fm_index)
@@ -179,7 +179,7 @@ void PacketListModel::toggleFrameMark(const QModelIndex &fm_index)
     else
         cf_mark_frame(cap_file_, fdata);
 
-    dataChanged(fm_index, fm_index);
+    emit dataChanged(fm_index, fm_index);
 }
 
 void PacketListModel::setDisplayedFrameMark(gboolean set)
@@ -191,7 +191,7 @@ void PacketListModel::setDisplayedFrameMark(gboolean set)
             cf_unmark_frame(cap_file_, record->frameData());
         }
     }
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
 }
 
 void PacketListModel::toggleFrameIgnore(const QModelIndex &i_index)
@@ -219,7 +219,7 @@ void PacketListModel::setDisplayedFrameIgnore(gboolean set)
             cf_unignore_frame(cap_file_, record->frameData());
         }
     }
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
 }
 
 void PacketListModel::toggleFrameRefTime(const QModelIndex &rt_index)
@@ -244,7 +244,7 @@ void PacketListModel::toggleFrameRefTime(const QModelIndex &rt_index)
         cap_file_->displayed_count--;
     }
     record->resetColumns(&cap_file_->cinfo);
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
 }
 
 void PacketListModel::unsetAllFrameRefTime()
@@ -262,22 +262,22 @@ void PacketListModel::unsetAllFrameRefTime()
     cap_file_->ref_time_count = 0;
     cf_reftime_packets(cap_file_);
     PacketListRecord::resetColumns(&cap_file_->cinfo);
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
 }
 
 void PacketListModel::applyTimeShift()
 {
     resetColumns();
-    dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
 }
 
-void PacketListModel::setMaximiumRowHeight(int height)
+void PacketListModel::setMaximumRowHeight(int height)
 {
     max_row_height_ = height;
     // As the QTreeView uniformRowHeights documentation says,
     // "The height is obtained from the first item in the view. It is
     //  updated when the data changes on that item."
-    dataChanged(index(0, 0), index(0, columnCount() - 1));
+    emit dataChanged(index(0, 0), index(0, columnCount() - 1));
 }
 
 //void PacketListModel::setMonospaceFont(const QFont &mono_font, int row_height)
@@ -345,7 +345,7 @@ void PacketListModel::sort(int column, Qt::SortOrder order)
     sort_column_is_numeric_ = isNumericColumn(sort_column_);
     std::sort(physical_rows_.begin(), physical_rows_.end(), recordLessThan);
 
-    beginResetModel();
+    emit beginResetModel();
     visible_rows_.resize(0);
     number_to_row_.fill(0);
     foreach (PacketListRecord *record, physical_rows_) {
@@ -359,7 +359,7 @@ void PacketListModel::sort(int column, Qt::SortOrder order)
             number_to_row_[fdata->num] = visible_rows_.count();
         }
     }
-    endResetModel();
+    emit endResetModel();
 
     if (!col_title.isEmpty()) {
         emit popBusyStatus();
@@ -649,7 +649,7 @@ void PacketListModel::flushVisibleRows()
     gint pos = visible_rows_.count();
 
     if (new_visible_rows_.count() > 0) {
-        beginInsertRows(QModelIndex(), pos, pos + new_visible_rows_.count());
+        emit beginInsertRows(QModelIndex(), pos, pos + new_visible_rows_.count());
         foreach (PacketListRecord *record, new_visible_rows_) {
             frame_data *fdata = record->frameData();
 
@@ -659,7 +659,7 @@ void PacketListModel::flushVisibleRows()
             }
             number_to_row_[fdata->num] = visible_rows_.count();
         }
-        endInsertRows();
+        emit endInsertRows();
         new_visible_rows_.resize(0);
     }
 }
diff --git a/ui/qt/models/packet_list_model.h b/ui/qt/models/packet_list_model.h
index bf44a721dc..0c9d10a285 100644
--- a/ui/qt/models/packet_list_model.h
+++ b/ui/qt/models/packet_list_model.h
@@ -69,7 +69,7 @@ public:
     void unsetAllFrameRefTime();
     void applyTimeShift();
 
-    void setMaximiumRowHeight(int height);
+    void setMaximumRowHeight(int height);
 
 signals:
     void goToPacket(int);
diff --git a/ui/qt/models/packet_list_record.cpp b/ui/qt/models/packet_list_record.cpp
index d5146078ba..8ff545867e 100644
--- a/ui/qt/models/packet_list_record.cpp
+++ b/ui/qt/models/packet_list_record.cpp
@@ -58,7 +58,7 @@ void *PacketListRecord::operator new(size_t size)
 const QByteArray PacketListRecord::columnString(capture_file *cap_file, int column, bool colorized)
 {
     // packet_list_store.c:packet_list_get_value
-    g_assert(fdata_);
+    Q_ASSERT(fdata_);
 
     if (!cap_file || column < 0 || column > cap_file->cinfo.num_cols) {
         return QByteArray();
diff --git a/ui/qt/packet_list.cpp b/ui/qt/packet_list.cpp
index b2ebe1cb51..07b5bde739 100644
--- a/ui/qt/packet_list.cpp
+++ b/ui/qt/packet_list.cpp
@@ -265,7 +265,7 @@ PacketList::PacketList(QWidget *parent) :
     setModel(packet_list_model_);
     sortByColumn(-1, Qt::AscendingOrder);
 
-    g_assert(gbl_cur_packet_list == NULL);
+    Q_ASSERT(gbl_cur_packet_list == Q_NULLPTR);
     gbl_cur_packet_list = this;
 
     connect(packet_list_model_, SIGNAL(goToPacket(int)), this, SLOT(goToPacket(int)));
@@ -987,7 +987,7 @@ void PacketList::freeze()
         frozen_row_ = -1;
     }
     selectionModel()->clear();
-    setModel(NULL);
+    setModel(Q_NULLPTR);
     // It looks like GTK+ sends a cursor-changed signal at this point but Qt doesn't
     // call selectionChanged.
     related_packet_delegate_.clear();
@@ -1543,7 +1543,7 @@ void PacketList::updateRowHeights(const QModelIndex &ih_index)
     }
 
     if (max_height > 0) {
-        packet_list_model_->setMaximiumRowHeight(max_height);
+        packet_list_model_->setMaximumRowHeight(max_height);
     }
 }