diff --git a/hosts/common/programs/gthumb.nix b/hosts/common/programs/gthumb.nix
index 66fcb4e24..854a27c6e 100644
--- a/hosts/common/programs/gthumb.nix
+++ b/hosts/common/programs/gthumb.nix
@@ -4,10 +4,12 @@
     # compile without webservices to avoid the expensive webkitgtk dependency
     package = pkgs.gthumb.override { withWebservices = false; };
     mime.associations = {
+      "image/gif" = "org.gnome.gThumb.desktop";
       "image/heif" = "org.gnome.gThumb.desktop";  # apple codec
       "image/png" = "org.gnome.gThumb.desktop";
       "image/jpeg" = "org.gnome.gThumb.desktop";
       "image/svg+xml" = "org.gnome.gThumb.desktop";
+      "image/webp" = "org.gnome.gThumb.desktop";
     };
   };
 }