diff --git a/haskell/haskell-foundation/haskell-foundation.SlackBuild b/haskell/haskell-foundation/haskell-foundation.SlackBuild
index ea3427e93c..042e3f65db 100644
--- a/haskell/haskell-foundation/haskell-foundation.SlackBuild
+++ b/haskell/haskell-foundation/haskell-foundation.SlackBuild
@@ -91,7 +91,7 @@ runghc Setup copy --destdir=$PKG
 runghc Setup register --gen-pkg-config
 
 PKGCONFD=/usr/lib${LIBDIRSUFFIX}/ghc-${GHC_VERSION}/package.conf.d
-PKGID=$( grep -E "^id: " $SRCNAM-$VERSION.conf | cut -d" " -f2 )
+PKGID=$( grep -E "^id: " $SRCNAM-$VERSION.conf | sed "s/[[:space:]][[:space:]]*/ /" | cut -d" " -f2 )
 mkdir -p $PKG/$PKGCONFD
 mv $SRCNAM-$VERSION.conf $PKG/$PKGCONFD/$PKGID.conf