diff --git a/src/Nazara/Utility/Win32/WindowImpl.cpp b/src/Nazara/Utility/Win32/WindowImpl.cpp
index 0c1d23050..0c193cfaa 100644
--- a/src/Nazara/Utility/Win32/WindowImpl.cpp
+++ b/src/Nazara/Utility/Win32/WindowImpl.cpp
@@ -789,6 +789,11 @@ namespace Nz
 
 				case WM_MOVE:
 				{
+					#if !NAZARA_UTILITY_THREADED_WINDOW
+					if (m_sizemove)
+						break;
+					#endif
+
 					RECT windowRect;
 					GetWindowRect(m_handle, &windowRect);