diff --git a/src/plugins/projectexplorer/project.h b/src/plugins/projectexplorer/project.h
index 40b26d6faa0..e1bf1eb7b02 100644
--- a/src/plugins/projectexplorer/project.h
+++ b/src/plugins/projectexplorer/project.h
@@ -49,7 +49,8 @@ public:
     enum ModelRoles {
         // Absolute file path
         FilePathRole = QFileSystemModel::FilePathRole,
-        isParsingRole
+        isParsingRole,
+        UseUnavailableMarkerRole,
     };
 
     Project(const QString &mimeType, const Utils::FilePath &fileName);
diff --git a/src/plugins/projectexplorer/projectmodels.cpp b/src/plugins/projectexplorer/projectmodels.cpp
index 0af76f1bbef..f824a19cc91 100644
--- a/src/plugins/projectexplorer/projectmodels.cpp
+++ b/src/plugins/projectexplorer/projectmodels.cpp
@@ -193,6 +193,7 @@ QVariant FlatModel::data(const QModelIndex &index, int role) const
         return {};
 
     const FolderNode * const folderNode = node->asFolderNode();
+    const FileNode * const fileNode = node->asFileNode();
     const ContainerNode * const containerNode = node->asContainerNode();
     const Project * const project = containerNode ? containerNode->project() : nullptr;
     const Target * const target = project ? project->activeTarget() : nullptr;
@@ -246,6 +247,8 @@ QVariant FlatModel::data(const QModelIndex &index, int role) const
         return node->filePath().toString();
     case Project::isParsingRole:
         return project && bs ? bs->isParsing() && !project->needsConfiguration() : false;
+    case Project::UseUnavailableMarkerRole:
+        return fileNode ? fileNode->useUnavailableMarker() : false;
     }
     return {};
 }
@@ -923,4 +926,3 @@ const QLoggingCategory &FlatModel::logger()
 
 } // namespace Internal
 } // namespace ProjectExplorer
-
diff --git a/src/plugins/projectexplorer/projectnodes.cpp b/src/plugins/projectexplorer/projectnodes.cpp
index 11ab5fe0561..e1edbd7d930 100644
--- a/src/plugins/projectexplorer/projectnodes.cpp
+++ b/src/plugins/projectexplorer/projectnodes.cpp
@@ -260,6 +260,16 @@ void FileNode::setHasError(bool error) const
     m_hasError = error;
 }
 
+bool FileNode::useUnavailableMarker() const
+{
+    return m_useUnavailableMarker;
+}
+
+void FileNode::setUseUnavailableMarker(bool useUnavailableMarker)
+{
+    m_useUnavailableMarker = useUnavailableMarker;
+}
+
 /*!
   Returns \c true if the file is automatically generated by a compile step.
   */
@@ -382,6 +392,7 @@ FileNode::FileNode(const Utils::FilePath &filePath, const FileType fileType) :
     m_fileType(fileType)
 {
     setFilePath(filePath);
+    setUseUnavailableMarker(!filePath.needsDevice() && !filePath.exists());
     setListInProject(true);
     if (fileType == FileType::Project)
         setPriority(DefaultProjectFilePriority);
diff --git a/src/plugins/projectexplorer/projectnodes.h b/src/plugins/projectexplorer/projectnodes.h
index 5e424b62bbc..9d159aeea35 100644
--- a/src/plugins/projectexplorer/projectnodes.h
+++ b/src/plugins/projectexplorer/projectnodes.h
@@ -204,10 +204,14 @@ public:
     QIcon icon() const;
     void setIcon(const QIcon icon);
 
+    bool useUnavailableMarker() const;
+    void setUseUnavailableMarker(bool useUnavailableMarker);
+
 private:
     FileType m_fileType;
     mutable QIcon m_icon;
     mutable bool m_hasError = false;
+    bool m_useUnavailableMarker = false;
 };
 
 // Documentation inside.
diff --git a/src/plugins/projectexplorer/projecttreewidget.cpp b/src/plugins/projectexplorer/projecttreewidget.cpp
index cb505a43a7c..a173b77c22a 100644
--- a/src/plugins/projectexplorer/projecttreewidget.cpp
+++ b/src/plugins/projectexplorer/projecttreewidget.cpp
@@ -72,8 +72,18 @@ public:
 
     void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
     {
-        QStyledItemDelegate::paint(painter, option, index);
+        const bool useUnavailableMarker = index.data(Project::UseUnavailableMarkerRole).toBool();
+        if (useUnavailableMarker) {
+            QStyleOptionViewItem opt = option;
+            opt.palette.setColor(QPalette::Text, creatorTheme()->color(Theme::TextColorDisabled));
+            QStyledItemDelegate::paint(painter, opt, index);
+            static const QPixmap pixmap
+                = QApplication::style()->standardIcon(QStyle::SP_BrowserStop).pixmap(10);
+            painter->drawPixmap(option.rect.topLeft(), pixmap);
+            return;
+        }
 
+        QStyledItemDelegate::paint(painter, option, index);
         if (index.data(Project::isParsingRole).toBool()) {
             QStyleOptionViewItem opt = option;
             initStyleOption(&opt, index);