diff --git a/gui/erroritem.cpp b/gui/erroritem.cpp
new file mode 100644
index 000000000..98f620671
--- /dev/null
+++ b/gui/erroritem.cpp
@@ -0,0 +1,39 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "erroritem.h"
+
+ErrorItem::ErrorItem(const ErrorItem &item)
+{
+    file = item.file;
+    files = item.files;
+    lines = item.lines;
+    id = item.id;
+    severity = item.severity;
+    msg = item.msg;
+}
+
+ErrorItem::ErrorItem(const ErrorLine &line)
+{
+    file = line.file;
+    files.append(line.file);
+    lines.append(line.line.toUInt());
+    id = line.id;
+    severity = line.severity;
+    msg = line.msg;
+}
diff --git a/gui/erroritem.h b/gui/erroritem.h
index ed4215aad..73fc661d9 100644
--- a/gui/erroritem.h
+++ b/gui/erroritem.h
@@ -22,6 +22,8 @@
 #include <QString>
 #include <QStringList>
 
+class ErrorLine;
+
 /// @addtogroup GUI
 /// @{
 
@@ -31,6 +33,10 @@
 class ErrorItem
 {
 public:
+    ErrorItem() { }
+    ErrorItem(const ErrorItem &item);
+    ErrorItem(const ErrorLine &line);
+
     QString file;
     QStringList files;
     QList<unsigned int> lines;
diff --git a/gui/gui.pro b/gui/gui.pro
index d0c23068c..84265f8ea 100644
--- a/gui/gui.pro
+++ b/gui/gui.pro
@@ -71,6 +71,7 @@ SOURCES += main.cpp \
            aboutdialog.cpp \
            fileviewdialog.cpp \
            projectfile.cpp \
+           erroritem.cpp \
            report.cpp \
            txtreport.cpp \
            xmlreport.cpp \
diff --git a/gui/main.cpp b/gui/main.cpp
index 2309e7a64..02ee24eae 100644
--- a/gui/main.cpp
+++ b/gui/main.cpp
@@ -20,6 +20,7 @@
 #include <QApplication>
 #include <QTextCodec>
 #include <QTranslator>
+#include <QMetaType>
 #include "mainwindow.h"
 
 int main(int argc, char *argv[])
@@ -27,6 +28,9 @@ int main(int argc, char *argv[])
     QApplication app(argc, argv);
     app.setWindowIcon(QIcon(":icon.png"));
 
+    // Register this metatype that is used to transfer error info
+    qRegisterMetaType<QList<unsigned int>>("QList<unsigned int>");
+
     // Set codecs so that UTF-8 strings in sources are handled correctly.
     QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
     QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));