diff --git a/README.md b/README.md
index 32a332735f4d08742fa265dfc1dcc6465e8d6690..f02bbcac3c9965ffd3f05ea818a53f3d3785f393 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ prefer to use `ghcup` to install `wasm32-wasi-ghc`:
 $ curl https://gitlab.haskell.org/haskell-wasm/ghc-wasm-meta/-/raw/master/bootstrap.sh | SKIP_GHC=1 sh
 $ source ~/.ghc-wasm/env
 $ ghcup config add-release-channel https://gitlab.haskell.org/haskell-wasm/ghc-wasm-meta/-/raw/master/ghcup-wasm-0.0.9.yaml
-$ ghcup install ghc wasm32-wasi-ghc-9.12 -- $CONFIGURE_ARGS
+$ ghcup install ghc wasm32-wasi-9.12 -- $CONFIGURE_ARGS
 $ cabal --with-compiler=wasm32-wasi-ghc-9.12 --with-hc-pkg=wasm32-wasi-ghc-pkg-9.12 --with-hsc2hs=wasm32-wasi-hsc2hs-9.12 build
 ```