diff --git a/salt/common/tools/sbin/so-log-check b/salt/common/tools/sbin/so-log-check
index 395f60c7d..10f7e8c89 100755
--- a/salt/common/tools/sbin/so-log-check
+++ b/salt/common/tools/sbin/so-log-check
@@ -158,6 +158,8 @@ if [[ $EXCLUDE_KNOWN_ERRORS == 'Y' ]]; then
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|repodownload.conf"            # known issue with reposync on pre-2.4.20 
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|missing versions record"      # stenographer corrupt index
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|soc.field."                   # known ingest type collisions issue with earlier versions of SO
+    EXCLUDED_ERRORS="$EXCLUDED_ERRORS|error parsing signature"      # Malformed Suricata rule, from upstream provider
+    EXCLUDED_ERRORS="$EXCLUDED_ERRORS|sticky buffer has no matches" # Non-critical Suricata error
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|iteration"
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|communication packets"
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|use of closed"