diff --git a/includes/definitions/ios.yaml b/includes/definitions/ios.yaml
index a4ebcff2f1..812f1c884a 100644
--- a/includes/definitions/ios.yaml
+++ b/includes/definitions/ios.yaml
@@ -8,14 +8,6 @@ over:
     - { graph: device_processor, text: 'CPU Usage' }
     - { graph: device_mempool, text: 'Memory Usage' }
 icon: cisco
-discovery:
-    -
-      sysDescr:
-          - 'Cisco Internetwork Operating System Software'
-          - 'IOS (tm)'
-          - 'Cisco IOS Software'
-          - 'Global Site Selector'
-      sysDescr_regex: '/^((?!LINUX_IOSD).)*$/' #IOS-XE adding more regex will break detection, modify instead
 bad_ifXEntry:
     - cisco1941
     - cisco886Va
diff --git a/includes/definitions/iosxe.yaml b/includes/definitions/iosxe.yaml
index 746be83dbc..541f102ab3 100644
--- a/includes/definitions/iosxe.yaml
+++ b/includes/definitions/iosxe.yaml
@@ -34,4 +34,5 @@ register_mibs:
     ciscoAAASessionMIB: CISCO-AAA-SESSION-MIB
 discovery:
     - sysDescr:
-        - LINUX_IOSD
+        - IOS-XE
+        - X86_64_LINUX_IOSD
diff --git a/includes/discovery/os/ios.inc.php b/includes/discovery/os/ios.inc.php
new file mode 100644
index 0000000000..bdbf51f0bc
--- /dev/null
+++ b/includes/discovery/os/ios.inc.php
@@ -0,0 +1,5 @@
+<?php
+
+if (str_contains($sysDescr, array('Cisco Internetwork Operating System Software', 'IOS (tm)', 'Cisco IOS Software', 'Global Site Selector')) && !str_contains($sysDescr, array('IOS-XE', 'X86_64_LINUX_IOSD'))) {
+    $os = 'ios';
+}