diff --git a/README.md b/README.md
index 741c84b..8cfd33f 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 install required packages
 
 ```
-$ sudo pacman -S sway swayidle swaylock i3status-rust grim slurp swappy wl-clipboard wofi fzf
+$ sudo pacman -S sway swayidle swaylock i3status-rust grim slurp swappy wl-clipboard wofi fzf imv
 $ yay -S persway
 ```
 
diff --git a/config b/config
index 09f6814..37a06f7 100644
--- a/config
+++ b/config
@@ -275,7 +275,7 @@ for_window [title="nmtui"] floating enable
 for_window [title="float*"] floating enable
 for_window [app_id="pavucontrol"] floating enable
 for_window [app_id="com.nextcloud.desktopclient.nextcloud"] floating enable
-for_window [class="feh"] floating enable
+for_window [app_id="imv"] floating enable
 for_window [app_id=".*"] title_format '<span font_weight="bold">%title</span> <span>(%app_id)</span>'
 for_window [class=".*"] title_format '<span font_weight="bold">%title</span> <span>(%class:%instance)</span>'
 for_window [app_id="firefox" title="Firefox - Sharing Indicator"] floating enable; move position 0 0