diff --git a/evocheck.sh b/evocheck.sh
index 2a61464..dda3855 100755
--- a/evocheck.sh
+++ b/evocheck.sh
@@ -916,6 +916,19 @@ fi
 
 if [ `uname -s` == "OpenBSD" ]; then
 
+    if [ "$IS_ADVBASE" = 1 ]; then
+        if [[ ls /etc/hostname.carp* 1> /dev/null 2>&1 ]]; then
+            for advbase in $(ifconfig carp | grep advbase | awk -F 'advbase' '{print $2}' | awk '{print $1}' | xargs); do
+            if [[ "$advbase" gt 1 ]]; then
+                echo 'IS_ADVBASE FAILED!'
+                if [[ "$VERBOSE" == 1 ]]; then
+                        echo "At least one CARP interface has advbase greater than 5 seconds!" 
+                fi
+            fi
+            done
+        fi
+    fi
+
     if [ "$IS_SOFTDEP" = 1 ]; then
         grep -q "softdep" /etc/fstab || echo 'IS_SOFTDEP FAILED!'
     fi