diff --git a/addons/search/plugin_search.h b/addons/search/plugin_search.h
--- a/addons/search/plugin_search.h
+++ b/addons/search/plugin_search.h
@@ -183,6 +183,8 @@
 private:
     QTreeWidgetItem *rootFileItem(const QString &url, const QString &fName);
     QStringList filterFiles(const QStringList& files) const;
+    
+    void onResize(const QSize& size);
 
     Ui::SearchDialog                   m_ui;
     QWidget                           *m_toolView;
@@ -199,6 +201,7 @@
     bool                               m_searchDiskFilesDone;
     bool                               m_searchOpenFilesDone;
     bool                               m_isSearchAsYouType;
+    bool                               m_isLeftRight;
     QString                            m_resultBaseDir;
     QList<KTextEditor::MovingRange*>   m_matchRanges;
     QTimer                             m_changeTimer;
@@ -209,7 +212,7 @@
      * current project plugin view, if any
      */
     QObject *m_projectPluginView;
-    
+
     /**
      * our main window
      */
diff --git a/addons/search/plugin_search.cpp b/addons/search/plugin_search.cpp
--- a/addons/search/plugin_search.cpp
+++ b/addons/search/plugin_search.cpp
@@ -222,6 +222,7 @@
 m_searchDiskFilesDone(true),
 m_searchOpenFilesDone(true),
 m_isSearchAsYouType(false),
+m_isLeftRight(false),
 m_projectPluginView(nullptr),
 m_mainWindow (mainWin)
 {
@@ -1991,6 +1992,33 @@
     searchPlaceChanged();
 }
 
+void KatePluginSearchView::onResize(const QSize& size)
+{
+    bool vertical = size.width() < size.height();
+    // empty last column index
+    const int col = 10;
+
+    if(!m_isLeftRight && vertical) {
+        m_isLeftRight = true;
+        // move widgets to their own row
+        m_ui.gridLayout->addWidget(m_ui.findLabel, 2, 0);
+        m_ui.gridLayout->addWidget(m_ui.searchCombo, 2, 1, 1, col);
+        m_ui.gridLayout->addWidget(m_ui.replaceLabel, 3, 0);
+        m_ui.gridLayout->addWidget(m_ui.replaceCombo, 3, 1, 1, col);
+        m_ui.gridLayout->setColumnStretch(col, 2);
+        m_ui.gridLayout->setColumnStretch(2, 0);
+    }
+    else if(m_isLeftRight && !vertical) {
+        m_isLeftRight = false;
+        // move widgets back to their original place
+        m_ui.gridLayout->addWidget(m_ui.findLabel, 0, 1);
+        m_ui.gridLayout->addWidget(m_ui.searchCombo, 0, 2);
+        m_ui.gridLayout->addWidget(m_ui.replaceLabel, 1, 1);
+        m_ui.gridLayout->addWidget(m_ui.replaceCombo, 1, 2);
+        m_ui.gridLayout->setColumnStretch(col, 0);
+        m_ui.gridLayout->setColumnStretch(2, 2);
+    }
+}
 
 bool KatePluginSearchView::eventFilter(QObject *obj, QEvent *event)
 {
@@ -2015,6 +2043,13 @@
         }
         // NOTE: Qt::Key_Escape is handled by handleEsc
     }
+    if (event->type() == QEvent::Resize) {
+        QResizeEvent *re = static_cast<QResizeEvent*>(event);
+        if(obj == m_toolView)
+        {
+            onResize(re->size());
+        }
+    }
     return QObject::eventFilter(obj, event);
 }