diff --git a/.github/workflows/install-bindist.sh b/.github/workflows/install-bindist.sh
index 785478a..7f9ff4d 100755
--- a/.github/workflows/install-bindist.sh
+++ b/.github/workflows/install-bindist.sh
@@ -111,6 +111,7 @@ case $TOOL in
 		cabal install --lib --package-env=. clock
         # https://github.com/haskell/ghcup-hs/issues/966
 		cabal install --lib --package-env=. hashable
+		[[ -e "$(ghcup whereis --directory ghc "$VERSION")/../share/man/man1/ghc.1" ]]
 		;;
     cabal)
 		ghcup_fun install ghc --set "$(ghcup_fun list -t ghc -r -c available | tail -1 | awk '{ print $2 }')"