diff --git a/fullcheck.ps1 b/fullcheck.ps1
index 7393e46c4785eb113cb7220e0ed6395f6e92bea3..5a4b357d6030d36aca3d02d67a5e853e67d317cb 100644
--- a/fullcheck.ps1
+++ b/fullcheck.ps1
@@ -11,7 +11,7 @@ if (!$?) {Exit 1}
 if (!$?) {Exit 1}
 & "ghcup" "set" "cabal" "latest"
 if (!$?) {Exit 1}
-ForEach ($c in "ghc-8.8.4","ghc-8.10.7","ghc-9.0.1")
+ForEach ($c in "8.8.4","8.10.7","9.0.1")
 {
     & "ghcup" "install" "ghc" "$c"
     if (!$?) {Exit 1}