diff --git a/extmod/ulab b/extmod/ulab
index a746bd8e09..314bb010bb 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit a746bd8e0953853056ee405e2fa02c8ebca4fb79
+Subproject commit 314bb010bb0282888b21c20123eba5d87f20874f
diff --git a/py/py.mk b/py/py.mk
index bca6ac14c3..ec0625db68 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -107,6 +107,7 @@ endif
 
 ifeq ($(CIRCUITPY_ULAB),1)
 SRC_MOD += $(addprefix extmod/ulab/code/, \
+compare.c \
 create.c \
 extras.c \
 fft.c \