diff --git a/build/Android.common_build.mk b/build/Android.common_build.mk
index 7d34dae..c6e2b95 100644
--- a/build/Android.common_build.mk
+++ b/build/Android.common_build.mk
@@ -220,6 +220,14 @@
 #  -Wmissing-declarations \
 
 
+
+ifdef ART_IMT_SIZE
+  art_cflags += -DIMT_SIZE=$(ART_IMT_SIZE)
+else
+  # Default is 64
+  art_cflags += -DIMT_SIZE=64
+endif
+
 ifeq ($(ART_SMALL_MODE),true)
   art_cflags += -DART_SMALL_MODE=1
 endif