diff --git a/BUILD.md b/BUILD.md
index c5fe3601..77d5ee0e 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -100,7 +100,7 @@ These instructions include adding folders to the path in Windows. To do this, go
 
 Download and install the 32-bit [Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/en-US/download/details.aspx?id=48145). I downloaded `vc_redist.x86.exe`.
 
-Download and install 7-Zip from http://www.7-zip.org/download.html. I downloaded `7z1805-x64.exe`.
+Download and install 7-Zip from http://www.7-zip.org/download.html. I downloaded `7z1805.exe`.
 
 Download and install the standalone [Windows 10 SDK](https://dev.windows.com/en-us/downloads/windows-10-sdk). Note that you may not need this if you already have Visual Studio.