diff --git a/src/qt/modaloverlay.h b/src/qt/modaloverlay.h
--- a/src/qt/modaloverlay.h
+++ b/src/qt/modaloverlay.h
@@ -6,6 +6,7 @@
 #define BITCOIN_QT_MODALOVERLAY_H
 
 #include <QDateTime>
+#include <QPropertyAnimation>
 #include <QWidget>
 
 //! The required delta of headers to the estimated number of available headers
@@ -46,6 +47,7 @@
     QVector<QPair<qint64, double>> blockProcessTime;
     bool layerIsVisible;
     bool userClosed;
+    QPropertyAnimation m_animation;
     void UpdateHeaderSyncLabel();
 };
 
diff --git a/src/qt/modaloverlay.cpp b/src/qt/modaloverlay.cpp
--- a/src/qt/modaloverlay.cpp
+++ b/src/qt/modaloverlay.cpp
@@ -8,6 +8,7 @@
 #include <chainparams.h>
 #include <qt/guiutil.h>
 
+#include <QEasingCurve>
 #include <QPropertyAnimation>
 #include <QResizeEvent>
 
@@ -32,6 +33,11 @@
                "of the block chain.")
                 .arg(PACKAGE_NAME));
     }
+
+    m_animation.setTargetObject(this);
+    m_animation.setPropertyName("pos");
+    m_animation.setDuration(300 /* ms */);
+    m_animation.setEasingCurve(QEasingCurve::OutQuad);
 }
 
 ModalOverlay::~ModalOverlay() {
@@ -47,6 +53,9 @@
                 setGeometry(0, height(), width(), height());
             }
 
+            if (m_animation.endValue().toPoint().y() > 0) {
+                m_animation.setEndValue(QPoint(0, height()));
+            }
         } else if (ev->type() == QEvent::ChildAdded) {
             raise();
         }
@@ -185,14 +194,11 @@
         setVisible(true);
     }
 
-    setGeometry(0, hide ? 0 : height(), width(), height());
-
-    QPropertyAnimation *animation = new QPropertyAnimation(this, "pos");
-    animation->setDuration(300);
-    animation->setStartValue(QPoint(0, hide ? 0 : this->height()));
-    animation->setEndValue(QPoint(0, hide ? this->height() : 0));
-    animation->setEasingCurve(QEasingCurve::OutQuad);
-    animation->start(QAbstractAnimation::DeleteWhenStopped);
+    m_animation.setStartValue(QPoint(0, hide ? 0 : height()));
+    // The eventFilter() updates the endValue if it is required for
+    // QEvent::Resize.
+    m_animation.setEndValue(QPoint(0, hide ? height() : 0));
+    m_animation.start(QAbstractAnimation::KeepWhenStopped);
     layerIsVisible = !hide;
 }