diff --git a/saphyr/appveyor.yml b/saphyr/appveyor.yml
index fc72b1e..e7c3127 100644
--- a/saphyr/appveyor.yml
+++ b/saphyr/appveyor.yml
@@ -1,5 +1,5 @@
 install:
-  - ps: Start-FileDownload 'https://static.rust-lang.org/dist/rust-nightly-i686-pc-windows-gnu.exe'
+  - ps: Start-FileDownload 'https://static.rust-lang.org/dist/rust-1.16.0-i686-pc-windows-gnu.exe'
   - rust-nightly-i686-pc-windows-gnu.exe /VERYSILENT /NORESTART /DIR="C:\Program Files (x86)\Rust"
   - SET PATH=%PATH%;C:\Program Files (x86)\Rust\bin
   - SET PATH=%PATH%;C:\MinGW\bin