diff --git a/ports/unix/Makefile b/ports/unix/Makefile
index faa978f3f8..36b6322d86 100644
--- a/ports/unix/Makefile
+++ b/ports/unix/Makefile
@@ -255,6 +255,7 @@ OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(SRC_CXX:.cpp=.o))
 OBJ += $(addprefix $(BUILD)/, $(SHARED_SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(EXTMOD_SRC_C:.c=.o))
+OBJ += $(addprefix $(BUILD)/, $(LIB_SRC_C:.c=.o))
 
 # List of sources for qstr extraction
 SRC_QSTR += $(SRC_C) $(SRC_CXX) $(SHARED_SRC_C) $(EXTMOD_SRC_C)