diff --git a/appveyor.yml b/appveyor.yml
index f756ad5db5..d412563ce3 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,7 +11,7 @@ install:
 - cmd: >-
     IF DEFINED ENCKEY ( nuget install secure-file -ExcludeVersion && secure-file\tools\secure-file -decrypt distribution\windows\code-sign-key-openrct2.org.pfx.enc -secret %ENCKEY% )
 
-    cinst nsis.portable -pre > nul
+    cinst nsis.portable --version=3.01-beta1 > nul
 - ps: >-
     curl "http://nsis.sourceforge.net/mediawiki/images/5/53/KillProcDll%26FindProcDll.zip" -OutFile nsisxtra.zip