diff --git a/xCAT-test/autotest/testcase/UT_openbmc/rinv_cases0 b/xCAT-test/autotest/testcase/UT_openbmc/rinv_cases0
index 529ba0933..80717745b 100644
--- a/xCAT-test/autotest/testcase/UT_openbmc/rinv_cases0
+++ b/xCAT-test/autotest/testcase/UT_openbmc/rinv_cases0
@@ -3,10 +3,10 @@ description: Ensure that there is only 2 active firmware, one for bmc and one fo
 hcp:openbmc
 cmd: rinv $$CN firm | tee /tmp/xcattest.rinv_check_active_fw_count.output
 check:rc==0
-cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count.output | grep -i 'HOST Firmware Product' | grep -i 'Active)*' | wc -l
+cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count.output | grep -i 'HOST Firmware Product' | grep -i 'Active)\*' | wc -l
 check:rc==0
 check:output=~1
-cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count.output | grep -i 'BMC Firmware Product'|grep -i 'Active)*' | wc -l
+cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count.output | grep -i 'BMC Firmware Product'|grep -i 'Active)\*' | wc -l
 check:rc==0
 check:output=~1
 cmd : rm -rf /tmp/xcattest.rinv_check_active_fw_count.output
@@ -18,10 +18,10 @@ description: Ensure that there is only 2 active firmware, one for bmc and one fo
 hcp:openbmc
 cmd: rinv $$CN firm -V | tee /tmp/xcattest.rinv_check_active_fw_count_verbose.output
 check:rc==0
-cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count_verbose.output| grep -i 'HOST Firmware Product' | grep -i 'Active)*' | wc -l
+cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count_verbose.output| grep -i 'HOST Firmware Product' | grep -i 'Active)\*' | wc -l
 check:rc==0
 check:output=~1
-cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count_verbose.output | grep -i 'BMC Firmware Product'|grep -i 'Active)*' | wc -l
+cmd: grep -i ibm /tmp/xcattest.rinv_check_active_fw_count_verbose.output | grep -i 'BMC Firmware Product'|grep -i 'Active)\*' | wc -l
 check:rc==0
 check:output=~1
 cmd : rm -rf /tmp/xcattest.rinv_check_active_fw_count_verbose.output