diff --git a/HOTFIX b/HOTFIX
index f6989f3fe..0f3ca3c28 100644
--- a/HOTFIX
+++ b/HOTFIX
@@ -1 +1 @@
-WAZUH
+WAZUH
diff --git a/salt/common/tools/sbin/soup b/salt/common/tools/sbin/soup
index b497d9c24..2aefc67bb 100755
--- a/salt/common/tools/sbin/soup
+++ b/salt/common/tools/sbin/soup
@@ -837,6 +837,24 @@ verify_latest_update_script() {
   fi
 }
 
+apply_hotfix() {
+  if [[ "$INSTALLEDVERSION" == "2.3.90" && "$HOTFIXVERSION" == "WAZUH" ]] ; then
+    FILE="/nsm/wazuh/etc/ossec.conf"
+    echo "Detecting if ossec.conf needs corrected..."
+    WAZUHHEADER=$(head -1 $FILE | grep "xml version")
+    if [[ ! -z "$WAZUHHEADER" ]]; then
+      echo "$FILE has an XML header; removing"
+      sed -i 1d $FILE
+      so-wazuh-restart
+    else    
+      echo "$FILE does not have an XML header, so no changes are necessary."
+    fi
+  else
+    echo "Skipping ossec.conf check ($INSTALLEDVERSION/$HOTFIXVERSION)"
+  fi
+}
+
+
 main() {
   trap 'check_err $?' EXIT
   
@@ -891,9 +909,10 @@ main() {
   set -e
 
   if [ "$is_hotfix" == "true" ]; then
-    echo "Applying $HOTFIXVERSION" 
+    echo "Applying $HOTFIXVERSION hotfix"
     copy_new_files
-    echo ""
+    apply_hotfix
+    echo "Hotfix applied"
     update_version
     salt-call state.highstate -l info queue=True
   else