diff --git a/src/qt/qt_rendererstack.cpp b/src/qt/qt_rendererstack.cpp
index db19e6a7d..d11b4a0b5 100644
--- a/src/qt/qt_rendererstack.cpp
+++ b/src/qt/qt_rendererstack.cpp
@@ -86,33 +86,29 @@ void RendererStack::mousePoll()
 #endif
 }
 
-static int ignoreNextMouseEvent = 1, isButtonDown = 0;
+int ignoreNextMouseEvent = 1;
 void RendererStack::mouseReleaseEvent(QMouseEvent *event)
 {
-    if (this->geometry().contains(event->pos()) && event->button() == Qt::LeftButton && !mouse_capture && (isButtonDown & 1))
+    if (this->geometry().contains(event->pos()) && event->button() == Qt::LeftButton && !mouse_capture)
     {
         plat_mouse_capture(1);
         this->setCursor(Qt::BlankCursor);
         if (!ignoreNextMouseEvent) ignoreNextMouseEvent++; // Avoid jumping cursor when moved.
-        isButtonDown &= ~1;
         return;
     }
     if (mouse_capture && event->button() == Qt::MiddleButton && mouse_get_buttons() < 3)
     {
         plat_mouse_capture(0);
         this->setCursor(Qt::ArrowCursor);
-        isButtonDown &= ~1;
         return;
     }
     if (mouse_capture)
     {
         mousedata.mousebuttons &= ~event->button();
     }
-    isButtonDown &= ~1;
 }
 void RendererStack::mousePressEvent(QMouseEvent *event)
 {
-    isButtonDown |= 1;
     if (mouse_capture)
     {
         mousedata.mousebuttons |= event->button();