1 files changed, 1 insertions, 0 deletions
diff --git a/py/py.mk b/py/py.mk
index 3e1d7989f..c5073d0f0 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -107,6 +107,7 @@ endif
 
 ifeq ($(CIRCUITPY_ULAB),1)
 SRC_MOD += $(patsubst $(TOP)/%,%,$(wildcard $(TOP)/extmod/ulab/code/*.c))
+SRC_MOD += $(patsubst $(TOP)/%,%,$(wildcard $(TOP)/extmod/ulab/code/*/*.c))
 CFLAGS_MOD += -DCIRCUITPY_ULAB=1 -DMODULE_ULAB_ENABLED=1
 $(BUILD)/extmod/ulab/code/%.o: CFLAGS += -Wno-float-equal -Wno-sign-compare -DCIRCUITPY
 endif