diff --git a/src/libs/solutions/terminal/terminalview.cpp b/src/libs/solutions/terminal/terminalview.cpp
index 0cebe6d9b99..472346b3fcb 100644
--- a/src/libs/solutions/terminal/terminalview.cpp
+++ b/src/libs/solutions/terminal/terminalview.cpp
@@ -958,11 +958,14 @@ void TerminalView::applySizeChange()
     };
 
     if (newLiveSize.height() <= 0)
-        newLiveSize.setHeight(1);
+        return;
 
     if (newLiveSize.width() <= 0)
         newLiveSize.setWidth(1);
 
+    if (d->m_surface->liveSize() == newLiveSize)
+        return;
+
     resizePty(newLiveSize);
     d->m_surface->resize(newLiveSize);
     flushVTerm(true);
diff --git a/src/plugins/terminal/terminalwidget.cpp b/src/plugins/terminal/terminalwidget.cpp
index 2bd0fa403dd..756f1a11bee 100644
--- a/src/plugins/terminal/terminalwidget.cpp
+++ b/src/plugins/terminal/terminalwidget.cpp
@@ -336,7 +336,7 @@ qint64 TerminalWidget::writeToPty(const QByteArray &data)
 
 void TerminalWidget::resizePty(QSize newSize)
 {
-    if (m_process && m_process->ptyData())
+    if (m_process && m_process->ptyData() && m_process->isRunning())
         m_process->ptyData()->resize(newSize);
 }