diff --git a/src/exercises/queue/headers.test.h b/src/exercises/queue/headers.test.h
index 3b1a4a7..cc336e1 100644
--- a/src/exercises/queue/headers.test.h
+++ b/src/exercises/queue/headers.test.h
@@ -5,8 +5,8 @@
 #include "../list/snoc.h"
 
 #include "./c_types.h"
-#include "./cn_types_1.test.h"
-#include "./cn_types_2.test.h"
 #include "./cn_types_3.test.h"
+#include "./cn_types_2.test.h"
+#include "./cn_types_1.test.h"
 
 #include "./allocation.test.h"
diff --git a/src/exercises/queue/headers.verif.h b/src/exercises/queue/headers.verif.h
index 333fc07..1d19ab3 100644
--- a/src/exercises/queue/headers.verif.h
+++ b/src/exercises/queue/headers.verif.h
@@ -5,8 +5,8 @@
 #include "../list/snoc.h"
 
 #include "./c_types.h"
-#include "./cn_types_1.verif.h"
-#include "./cn_types_2.verif.h"
 #include "./cn_types_3.verif.h"
+#include "./cn_types_2.verif.h"
+#include "./cn_types_1.verif.h"
 
 #include "./allocation.verif.h"