diff -r 97df2e4c68fb -r 5c926801f052 tests/Makefile
--- a/tests/Makefile	Sun Feb 18 13:16:38 2024 +0100
+++ b/tests/Makefile	Sun Feb 18 13:38:42 2024 +0100
@@ -105,7 +105,7 @@
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(TEST_DIR)/test_tree$(OBJ_EXT): test_tree.c ../src/cx/tree.h \
- ../src/cx/common.h ../src/cx/test.h
+ ../src/cx/common.h ../src/cx/iterator.h ../src/cx/test.h
 	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<