diff --git a/share/functions/__fish_config_interactive.fish b/share/functions/__fish_config_interactive.fish
index 5d8c92ff7..e29c1fc2c 100644
--- a/share/functions/__fish_config_interactive.fish
+++ b/share/functions/__fish_config_interactive.fish
@@ -297,7 +297,7 @@ function __fish_config_interactive -d "Initializations that should be performed
 
         # First check if we are on OpenSUSE since SUSE's handler has no options
         # but the same name and path as Ubuntu's.
-        if contains -- suse $os
+        if contains -- suse $os; or contains -- sles $os
             and type -q command-not-found
             function __fish_command_not_found_handler --on-event fish_command_not_found
                 /usr/bin/command-not-found $argv[1]