diff --git a/Make.inc b/Make.inc
index 7e0f0f97f20ac..2c351a1b16a2a 100644
--- a/Make.inc
+++ b/Make.inc
@@ -81,7 +81,7 @@ WITH_GC_VERIFY := 0
 WITH_GC_DEBUG_ENV := 0
 
 # Use stock if MMTK_PLAN hasn't been defined
-MMTK_PLAN ?= Immix
+MMTK_PLAN ?= StickyImmix
 
 # Enable DTrace support
 WITH_DTRACE := 0