diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
index e9e3d80138..687ef72635 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -94,7 +94,7 @@ CFLAGS += -DCIRCUITPY_DISPLAYIO=$(CIRCUITPY_DISPLAYIO)
 CIRCUITPY_FRAMEBUFFERIO ?= 0
 CFLAGS += -DCIRCUITPY_FRAMEBUFFERIO=$(CIRCUITPY_FRAMEBUFFERIO)
 
-CIRCUITPY_VECTORIO ?= 0
+CIRCUITPY_VECTORIO ?= $(CIRCUITPY_FULL_BUILD)
 CFLAGS += -DCIRCUITPY_VECTORIO=$(CIRCUITPY_VECTORIO)
 
 CIRCUITPY_FREQUENCYIO ?= $(CIRCUITPY_FULL_BUILD)