Index: src/libkdepim/progresswidget/statusbarprogresswidget.h
===================================================================
--- src/libkdepim/progresswidget/statusbarprogresswidget.h
+++ src/libkdepim/progresswidget/statusbarprogresswidget.h
@@ -87,7 +87,7 @@
         Clean
     };
     void setMode(Mode mode);
-    void updateProgressButton();
+    void updateProgressButton(bool showingProgress);
     void connectSingleItem();
     void activateSingleItemMode();
 
Index: src/libkdepim/progresswidget/statusbarprogresswidget.cpp
===================================================================
--- src/libkdepim/progresswidget/statusbarprogresswidget.cpp
+++ src/libkdepim/progresswidget/statusbarprogresswidget.cpp
@@ -258,7 +258,7 @@
         mStackedWidget->setCurrentWidget(mProgressBar);
         if (mShowButton) {
             mShowDetailedProgress = mProgressDialog->wasLastShown();
-            updateProgressButton();
+            updateProgressButton(mShowDetailedProgress);
             mButton->show();
         }
         mSslLabel->setState(mSslLabel->lastState());
@@ -290,9 +290,9 @@
     return QFrame::eventFilter(obj, ev);
 }
 
-void StatusbarProgressWidget::updateProgressButton()
+void StatusbarProgressWidget::updateProgressButton(bool showingProgress)
 {
-    if (!mShowDetailedProgress) {
+    if (!showingProgress) {
         mButton->setIcon(QIcon::fromTheme(QStringLiteral("go-up")));
         mButton->setToolTip(i18n("Show detailed progress window"));
     } else {
@@ -305,7 +305,6 @@
 {
     mProgressDialog->slotToggleVisibility();
     mShowDetailedProgress = !mProgressDialog->isHidden();
-    updateProgressButton();
     setFixedWidth(qMax(600, mProgressDialog->width()));
 }
 
@@ -316,4 +315,6 @@
     if (b && mMode != Progress) {
         setMode(Progress);
     }
+
+    updateProgressButton(b);
 }