diff --git a/build.sh b/build.sh
index 23205fcc..3d91bdea 100755
--- a/build.sh
+++ b/build.sh
@@ -5,7 +5,7 @@
 set -e
 set -u
 
-ROOT_DIR="`dirname \"$0\"`"
+ROOT_DIR="$(realpath \"$0\")"
 
 if [[ ! -d ./pkg/lib-es5 ]]; then
   cd $ROOT_DIR/pkg
diff --git a/install.sh b/install.sh
index 93266ddf..19588154 100755
--- a/install.sh
+++ b/install.sh
@@ -7,7 +7,7 @@ set -u
 
 [[ -e ./bin/vim-doge ]] && exit 0
 
-ROOT_DIR="`dirname \"$0\"`"
+ROOT_DIR="$(realpath \"$0\")"
 cd $ROOT_DIR
 mkdir ./bin