diff --git a/rules/linux/lnx_system_info_discovery.yml b/rules/linux/lnx_system_info_discovery.yml
index 43f8f6563..c0742e26f 100644
--- a/rules/linux/lnx_system_info_discovery.yml
+++ b/rules/linux/lnx_system_info_discovery.yml
@@ -16,7 +16,7 @@ tags:
 ---
 logsource:
     product: linux
-    categories: process_creation
+    category: process_creation
 detection:
     selection:
         Image|endswith:
@@ -31,7 +31,7 @@ detection:
 ---
 logsource:
     product: linux
-    categories: auditd
+    category: auditd
 detection:
     selection:
       type: 'PATH'