diff --git a/tools/tinderbox-configs/sunbird/win32/mozconfig b/tools/tinderbox-configs/sunbird/win32/mozconfig
index 6f98d2356f60..af32232f78d4 100644
--- a/tools/tinderbox-configs/sunbird/win32/mozconfig
+++ b/tools/tinderbox-configs/sunbird/win32/mozconfig
@@ -4,8 +4,7 @@
 #
 
 mk_add_options MOZ_CO_PROJECT=calendar
-mk_add_options MOZ_CO_MODULE=mozilla/tools/codesighs
-# ,mozilla/tools/trace-malloc
+mk_add_options MOZ_CO_MODULE=mozilla/tools/codesighs,mozilla/tools/trace-malloc
 mk_add_options MOZ_MAKE_FLAGS="-j6"
 mk_add_options JS_READLINE=1
 # mk_add_options MOZ_INSTALLER_USE_7ZIP=1
@@ -22,4 +21,4 @@ ac_add_options --disable-shared
 ac_add_options --enable-installer
 ac_add_options --disable-tests
 ac_add_options --enable-codesighs
-#ac_add_options --enable-trace-malloc
+ac_add_options --enable-trace-malloc
diff --git a/tools/tinderbox-configs/sunbird/win32/tinder-config.pl b/tools/tinderbox-configs/sunbird/win32/tinder-config.pl
index 500c684add37..bada5b651a15 100644
--- a/tools/tinderbox-configs/sunbird/win32/tinder-config.pl
+++ b/tools/tinderbox-configs/sunbird/win32/tinder-config.pl
@@ -69,7 +69,7 @@ $VendorName               = 'Mozilla';
 #$JavaTest                 = 0;
 #$ViewerTest               = 0;
 #$BloatTest                = 0;  # warren memory bloat test
-$BloatTest2                = 0;  # dbaron memory bloat test, require tracemalloc
+$BloatTest2                = 1;  # dbaron memory bloat test, require tracemalloc
 #$DomToTextConversionTest  = 0;  
 #$XpcomGlueTest            = 0;
 $CodesizeTest              = 1;  # Z,  require mozilla/tools/codesighs