diff --git a/CMakeLists.txt b/CMakeLists.txt
index f3b7f35cf..2ca88a876 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,8 +6,8 @@ if(MSVC)
 	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
 	set (CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS}")
 else()
-	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic -Wshadow -std=c89")
-	set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wnon-virtual-dtor -pedantic -Wshadow -std=c++03 -fno-exceptions -fno-rtti")
+	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic -Wnonportable-include-path -Wshadow -std=c89")
+	set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wnon-virtual-dtor -pedantic -Wnonportable-include-path -Wshadow -std=c++03 -fno-exceptions -fno-rtti")
 endif()
 
 set(CMAKE_INSTALL_PREFIX "./")
diff --git a/spine-cpp/spine-cpp/include/spine/ContainerUtil.h b/spine-cpp/spine-cpp/include/spine/ContainerUtil.h
index e16d800bd..28e4ade1b 100644
--- a/spine-cpp/spine-cpp/include/spine/ContainerUtil.h
+++ b/spine-cpp/spine-cpp/include/spine/ContainerUtil.h
@@ -108,7 +108,7 @@ namespace spine {
         
         template<typename T>
         static void cleanUpVectorOfPointers(Vector<T*>& items) {
-            for (size_t i = 0; i < items.size(); ) {
+            for (int i = (int)items.size() - 1; i >= 0; i--) {
                 T* item = items[i];
                 
                 delete item;