diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 4cef0f3..46a71c1 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -29,10 +29,6 @@ packadd! black
 
 packadd! nvim-lspconfig
 
-packadd! nvim-lsp-installer
-lua require("nvim-lsp-installer").setup{}
-
-
 " keybindings
 nnoremap <C-c><C-h> :Header<CR>
 tnoremap <Esc> <C-\><C-n>
diff --git a/.zshenv b/.zshenv
index 1e9e294..6809e98 100644
--- a/.zshenv
+++ b/.zshenv
@@ -1,6 +1,6 @@
 export PYENV_ROOT="$HOME/.pyenv"
 
-path=(~/bin ~/.local/bin $PYENV_ROOT/bin $path)
+path=(~/bin ~/.local/bin "$PYENV_ROOT"/bin "$path")
 
 export XDG_CACHE_HOME="$HOME/.cache"
 export XDG_CONFIG_HOME="$HOME/.config"
diff --git a/bin/epitest b/bin/epitest
index 37f5b2c..4902fba 100755
--- a/bin/epitest
+++ b/bin/epitest
@@ -1,2 +1,3 @@
 #!/bin/bash
-docker run -it --rm -v "$PWD":/tmp epitechcontent/epitest-docker:latest /bin/bash
+
+docker run -it --rm -v "$PWD":/tmp epitechcontent/epitest-docker:latest bash
diff --git a/bin/scanpdf b/bin/scanpdf
index b411363..2d763c3 100755
--- a/bin/scanpdf
+++ b/bin/scanpdf
@@ -14,5 +14,4 @@ DEVICE='pixma:04A9178A_31A16C'
 FORMAT='png'
 RES=300
 
-scanimage -d "$DEVICE" --format="$FORMAT" --resolution "$RES" > "$1"
-convert "$1" "$1"
+scanimage -d "$DEVICE" --format="$FORMAT" --resolution "$RES" | convert - "$1"
diff --git a/bin/script b/bin/script
index 6ca7fcb..e2ffecb 100755
--- a/bin/script
+++ b/bin/script
@@ -11,8 +11,7 @@ elif ! [ -w "$1" ]; then
     usage
 fi
 
-(
-set -e
+(set -e
 
 asciiquarium &
 cmatrix -ab &
diff --git a/bin/set-light b/bin/set-light
index bf9ea01..9bb68dd 100755
--- a/bin/set-light
+++ b/bin/set-light
@@ -17,10 +17,10 @@ CUR="$(cat "$CUR_FILE" || echo 50)"
 set -e
 
 case "${1:0:1}" in
-    "")
+    '')
         exit 1
         ;;
-    "+"|"-")
+    '+'|'-')
         NEW="$((CUR + "$1"))"
         ;;
     *)
diff --git a/bin/set-vol b/bin/set-vol
index d4072b6..26294e7 100755
--- a/bin/set-vol
+++ b/bin/set-vol
@@ -1,11 +1,8 @@
 #!/bin/bash
 set -e
 
-CUR_FILE=/var/tmp/current_volume
-
-set +e
-CUR="$(cat "$CUR_FILE" || echo 50)"
-set -e
+CUR="$(pactl get-sink-volume "@DEFAULT_SINK@" | awk '$1 == "Volume:" {print substr($5, 1, length($5) - 1)}')"
+CUR="$((CUR - CUR % "$1"))"
 
 case "${1:0:1}" in
     '')
@@ -22,7 +19,7 @@ esac
 [ "$NEW" -lt 0 ] && NEW=0
 [ "$NEW" -gt 100 ] && NEW=100
 
-pactl set-sink-volume 0 "$NEW"%
+pactl set-sink-volume 0 "$NEW%"
 pactl set-sink-mute 0 0
 
 echo "$NEW" > "$CUR_FILE"