diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 3187274f5f..301e890139 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -355,7 +355,7 @@ PRODUCT_BOOT_JARS += android.test.base
 endif
 
 PRODUCT_COPY_FILES += system/core/rootdir/init.zygote32.rc:system/etc/init/hw/init.zygote32.rc
-PRODUCT_SYSTEM_PROPERTIES += ro.zygote=zygote32
+PRODUCT_SYSTEM_PROPERTIES += ro.zygote?=zygote32
 
 PRODUCT_SYSTEM_PROPERTIES += debug.atrace.tags.enableflags=0
 PRODUCT_SYSTEM_PROPERTIES += persist.traced.enable=1