diff --git a/meta-ibm/recipes-phosphor/dump/phosphor-debug-collector_%.bbappend b/meta-ibm/recipes-phosphor/dump/phosphor-debug-collector_%.bbappend
index 0964fa0..e9ae74b 100644
--- a/meta-ibm/recipes-phosphor/dump/phosphor-debug-collector_%.bbappend
+++ b/meta-ibm/recipes-phosphor/dump/phosphor-debug-collector_%.bbappend
@@ -10,6 +10,7 @@
 SYSTEMD_SERVICE:${PN}-manager:witherspoon-tacoma += "clear_hostdumps_poweroff.service"
 
 EXTRA_OEMESON:append:p10bmc = " -DBMC_DUMP_TOTAL_SIZE=409600"
+EXTRA_OEMESON:append:p10bmc = " -DBMC_DUMP_MAX_SIZE=20480"
 
 install_ibm_plugins() {
     install ${S}/tools/dreport.d/ibm.d/plugins.d/* ${D}${dreport_plugin_dir}/