diff --git a/src/msw/frame.cpp b/src/msw/frame.cpp
index 8c1b178657..113420452e 100644
--- a/src/msw/frame.cpp
+++ b/src/msw/frame.cpp
@@ -286,6 +286,13 @@ void wxFrame::PositionStatusBar()
     int w, h;
     GetClientSize(&w, &h);
 
+    // Resize the status bar to its default height, as it could have been set
+    // to a wrong value before by WM_SIZE sent during the frame creation and
+    // our status bars preserve their programmatically set size to avoid being
+    // resized by DefWindowProc() to the full window width, so if we didn't do
+    // this here, the status bar would retain the possibly wrong current height.
+    m_frameStatusBar->SetSize(wxDefaultSize, wxSIZE_AUTO_HEIGHT);
+
     int sw, sh;
     m_frameStatusBar->GetSize(&sw, &sh);