diff --git a/common.sh b/common.sh
index c71b11b..a3953eb 100755
--- a/common.sh
+++ b/common.sh
@@ -40,7 +40,7 @@ fi
 NVIM_REQUIRED_BINARIES=(
   cmake
   curl
-  fz
+  fzf
   g++
   gcc
   git
@@ -52,6 +52,7 @@ NVIM_REQUIRED_BINARIES=(
   sed
   shfmt
   tar
+  tree-sitter
   unzip
   wget
   zip
@@ -76,7 +77,7 @@ function error_exit() {
 }
 
 function check_binary() {
-  if !command -v "$1" >/dev/null 2>&1; then
+  if ! command -v "$1" >/dev/null 2>&1; then
     error_exit "failed to find required binary: $1"
   fi
 }
diff --git a/viml_common.sh b/viml_common.sh
index 9b2461a..aadbac0 100755
--- a/viml_common.sh
+++ b/viml_common.sh
@@ -22,6 +22,8 @@
 SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
 . "${SCRIPT_DIR}/common.sh"
 
+mkdir -p ~/.local/bin
+
 create_link "${SCRIPT_DIR}/nvim" "${HOME}/.config/${NVIM_APPNAME}"
 create_link "${SCRIPT_DIR}/dviml.sh" "${HOME}/.local/bin/dviml"
 create_link "${SCRIPT_DIR}/dviml2.sh" "${HOME}/.local/bin/dviml2"