diff --git a/src/SFML/Window/Win32/VideoModeImpl.cpp b/src/SFML/Window/Win32/VideoModeImpl.cpp
index 878393163..f5939b3c5 100644
--- a/src/SFML/Window/Win32/VideoModeImpl.cpp
+++ b/src/SFML/Window/Win32/VideoModeImpl.cpp
@@ -42,6 +42,7 @@ std::vector<VideoMode> VideoModeImpl::getFullscreenModes()
     // Enumerate all available video modes for the primary display adapter
     DEVMODE win32Mode;
     win32Mode.dmSize = sizeof(win32Mode);
+    win32Mode.dmDriverExtra = 0;
     for (int count = 0; EnumDisplaySettings(NULL, count, &win32Mode); ++count)
     {
         // Convert to sf::VideoMode
@@ -61,6 +62,7 @@ VideoMode VideoModeImpl::getDesktopMode()
 {
     DEVMODE win32Mode;
     win32Mode.dmSize = sizeof(win32Mode);
+    win32Mode.dmDriverExtra = 0;
     EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &win32Mode);
 
     return VideoMode(win32Mode.dmPelsWidth, win32Mode.dmPelsHeight, win32Mode.dmBitsPerPel);