diff --git a/GUI/View/Manager/ProjectLoadProblemDialog.cpp b/GUI/View/Manager/ProjectLoadProblemDialog.cpp
index 7cbfbfa49cb1cbfc2f5d1b55ba89c9e8a9c55149..ed49466f2bd8c86bd5b8827c54ca8b5a90983f32 100644
--- a/GUI/View/Manager/ProjectLoadProblemDialog.cpp
+++ b/GUI/View/Manager/ProjectLoadProblemDialog.cpp
@@ -13,6 +13,8 @@
 //  ************************************************************************************************
 
 #include "GUI/View/Manager/ProjectLoadProblemDialog.h"
+#include "Base/Util/Assert.h"
+#include "GUI/Model/Project/ProjectDocument.h"
 #include "GUI/Support/Style/Style.h"
 #include "GUI/Support/Util/Path.h"
 #include <QGridLayout>
@@ -23,12 +25,10 @@
 namespace {
 
 const int top_panel_height = 80;
+
 } // namespace
 
-ProjectLoadProblemDialog::ProjectLoadProblemDialog(QWidget* parent, const QStringList& details,
-                                                   QString documentVersion)
-    : QDialog(parent)
-    , m_projectDocumentVersion(std::move(documentVersion))
+ProjectLoadProblemDialog::ProjectLoadProblemDialog(const QStringList& details)
 {
     setMinimumSize(256, 256);
     resize(520, 620);
@@ -119,18 +119,20 @@ QLayout* ProjectLoadProblemDialog::buttonLayout()
 //! Returns explanations what went wrong.
 QString ProjectLoadProblemDialog::explanationText() const
 {
-    if (m_projectDocumentVersion != GUI::Path::getBornAgainVersionString()) {
+    ASSERT(gDoc);
+    const QString& doc_version = gDoc->documentVersion();
+
+    if (doc_version != GUI::Path::getBornAgainVersionString())
         return QString(
                    "Given project was created using BornAgain version %1 "
                    " which is different from version %2 you are currently using. "
                    "At the moment we provide only limited support for import from older versions.")
-            .arg(m_projectDocumentVersion)
+            .arg(doc_version)
             .arg(GUI::Path::getBornAgainVersionString());
-    }
 
     return QString("Given project was created using BornAgain version %1 "
                    "which is the same as the current version of the framework. "
                    "Strangely enough, some parts were not loaded correctly due to format mismatch. "
                    "Please contact the developers.")
-        .arg(m_projectDocumentVersion);
+        .arg(doc_version);
 }
diff --git a/GUI/View/Manager/ProjectLoadProblemDialog.h b/GUI/View/Manager/ProjectLoadProblemDialog.h
index 6af31a2f4511e196f126b1afe947ddb5164f104d..e06afe647c9ec692b850967c5a28a732d1220550 100644
--- a/GUI/View/Manager/ProjectLoadProblemDialog.h
+++ b/GUI/View/Manager/ProjectLoadProblemDialog.h
@@ -23,14 +23,12 @@
 class ProjectLoadProblemDialog : public QDialog {
     Q_OBJECT
 public:
-    ProjectLoadProblemDialog(QWidget* parent, const QStringList& details, QString documentVersion);
+    ProjectLoadProblemDialog(const QStringList& details);
 
 private:
     QWidget* createWarningWidget();
     QLayout* buttonLayout();
     QString explanationText() const;
-
-    QString m_projectDocumentVersion;
 };
 
 #endif // BORNAGAIN_GUI_VIEW_MANAGER_PROJECTLOADPROBLEMDIALOG_H
diff --git a/GUI/View/Manager/ProjectManager.cpp b/GUI/View/Manager/ProjectManager.cpp
index 1ca3b03fe5fb6eb979087eb73dd8d5ec60e3dc59..e35f6f68ce21ae0a3bf34a3447526c4a71ed4801 100644
--- a/GUI/View/Manager/ProjectManager.cpp
+++ b/GUI/View/Manager/ProjectManager.cpp
@@ -423,10 +423,7 @@ void ProjectManager::riseProjectLoadFailedDialog(const MessageService& messageSe
 
 void ProjectManager::riseProjectLoadProblemDialog(const MessageService& messageService)
 {
-    ASSERT(gDoc);
-    auto* problemDialog = new ProjectLoadProblemDialog(
-        GUI::Global::mainWindow, messageService.warnings(true), gDoc->documentVersion());
-
+    auto* problemDialog = new ProjectLoadProblemDialog(messageService.warnings(true));
     problemDialog->show();
     problemDialog->raise();
 }