diff --git a/nagios/bin/pmp-check-mysql-status b/nagios/bin/pmp-check-mysql-status
index 89c2a6a..4e9219d 100755
--- a/nagios/bin/pmp-check-mysql-status
+++ b/nagios/bin/pmp-check-mysql-status
@@ -134,8 +134,10 @@ main() {
          if [ "${OPT_TRAN}" = 'pct' ]; then
             PERFDATA_MAX=100
          fi
-         PERFDATA="${OPT_VAR1}${OPT_OPER}${OPT_VAR2}=${LEVEL};${OPT_WARN};${OPT_CRIT};0;${PERFDATA_MAX}"
-         NOTE="$NOTE | $PERFDATA"
+         if [ "${OPT_TRAN}" != 'str' ]; then
+            PERFDATA="${OPT_VAR1}${OPT_OPER}${OPT_VAR2}=${LEVEL};${OPT_WARN};${OPT_CRIT};0;${PERFDATA_MAX}"
+            NOTE="$NOTE | $PERFDATA"
+         fi
       fi
    else
       NOTE="UNK could not get MySQL status/variables."