diff --git a/regress/prototype.conf b/regress/prototype.conf
index dfea2c7d5ed..067f0a4d831 100644
--- a/regress/prototype.conf
+++ b/regress/prototype.conf
@@ -97,3 +97,6 @@ DEVELOPER=-Ddeveloper=yes
 #
 # compile test-plugin
 #TESTPLUGIN=-Dtest-plugin=yes
+#
+# compile traymonitor
+# TRAYMON=-Dtraymonitor=yes
diff --git a/regress/scripts/regress-config.in b/regress/scripts/regress-config.in
index faf16a6b443..45a8855612a 100755
--- a/regress/scripts/regress-config.in
+++ b/regress/scripts/regress-config.in
@@ -69,7 +69,8 @@ else
     ${DEVELOPER}\
     ${COVERAGE} \
     -Ddynamic-cats-backends=yes \
-    -Ddynamic-storage-backends=yes
+    -Ddynamic-storage-backends=yes \
+    ${TRAYMON}
 
 fi