diff --git a/d/chruby/SlackBuild b/d/chruby/SlackBuild
index 228b7cfb..fa89423c 100755
--- a/d/chruby/SlackBuild
+++ b/d/chruby/SlackBuild
@@ -42,8 +42,9 @@ cd $TMP/$PRGNAM
 make -j3 PREFIX=$PREFIX
 
 # installation
-make install PREFIX=$PREFIX DOC_DIR=$PREFIX/doc/$PRGNAM DESTDIR=$PKG
-mv $PKG$PREFIX/share/man $PKG$PREFIX/man
+mkdir -p $PKG
+PREFIX=$PREFIX DOC_DIR=$PREFIX/doc/$PRGNAM DESTDIR=$PKG make install PREFIX=$PREFIX DOC_DIR=$PREFIX/doc/$PRGNAM DESTDIR=$PKG
+[ -d $PKG$PREFIX/share/man ] && mv $PKG$PREFIX/share/man $PKG$PREFIX/man
 
 # correction
 cd $PKG
diff --git a/d/ruby-install/SlackBuild b/d/ruby-install/SlackBuild
index 310dfb07..1a42624b 100755
--- a/d/ruby-install/SlackBuild
+++ b/d/ruby-install/SlackBuild
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # variables
-GITHUB_REPO=${GITHUB_REPO}
+GITHUB_REPO=postmodern/ruby-install
 VERSION=${VERSION:-latest}
 
 TAG=gwh