diff --git a/INSTALL.Win32 b/INSTALL.Win32
index 2883da1ae6..aa8de01234 100644
--- a/INSTALL.Win32
+++ b/INSTALL.Win32
@@ -2,6 +2,7 @@ Compiling LyX 1.6 for Win32
 ===========================
 
 LyX 1.6 can be compiled with Microsoft Visual C++ 2008 (recommended) or MinGW.
+Note that you should not have spaces in the path of the source code.
 
 Compiling with MSVC 2008
 ========================