diff --git a/src/win32_platform.h b/src/win32_platform.h
index 607ac13a..c7d5ed7a 100644
--- a/src/win32_platform.h
+++ b/src/win32_platform.h
@@ -120,6 +120,8 @@ typedef struct
     HRGN hRgnBlur;
     BOOL fTransitionOnMaximized;
 } DWM_BLURBEHIND;
+#else
+#include <Dwmapi.h>
 #endif /*Windows Vista*/
 
 #ifndef DPI_ENUMS_DECLARED