diff --git a/test/moduletest/runtest/bin/mem_debug_t/testcases/bin/mem_debug10.sh b/test/moduletest/runtest/bin/mem_debug_t/testcases/bin/mem_debug10.sh
index 38c2f0399e9b55c9296d8e407921d8e57aedb086..3962b902b8e17af52d59aa24b0eb42534afdd9ba 100644
--- a/test/moduletest/runtest/bin/mem_debug_t/testcases/bin/mem_debug10.sh
+++ b/test/moduletest/runtest/bin/mem_debug_t/testcases/bin/mem_debug10.sh
@@ -31,6 +31,7 @@ source tst_oh.sh
 
 do_setup()
 {
+    echo 0 > /proc/lmkd_dbg_trigger
     zcat /proc/config.gz | grep CONFIG_LOWMEM=y || tst_res TCONF "CONFIG_LOWMEM=y not satisfied!"
     zcat /proc/config.gz | grep CONFIG_LMKD_DBG=y || tst_res TCONF "CONFIG_LMKD_DBG=y not satisfied!"
     lmkd_dbg_trigger="/proc/lmkd_dbg_trigger"