diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index 013386f8f..744057e43 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -1,6 +1,6 @@
 #include "worldimp.hpp"
 
-#ifdef _WIN32
+#if defined(_WIN32) && !defined(__MINGW32__)
 #include <boost/tr1/tr1/unordered_map>
 #elif defined HAVE_UNORDERED_MAP
 #include <unordered_map>
diff --git a/components/files/configurationmanager.hpp b/components/files/configurationmanager.hpp
index b0b7fea9a..24b08c523 100644
--- a/components/files/configurationmanager.hpp
+++ b/components/files/configurationmanager.hpp
@@ -1,7 +1,7 @@
 #ifndef COMPONENTS_FILES_CONFIGURATIONMANAGER_HPP
 #define COMPONENTS_FILES_CONFIGURATIONMANAGER_HPP
 
-#ifdef _WIN32
+#if defined(_WIN32) && !defined(__MINGW32__)
 #include <boost/tr1/tr1/unordered_map>
 #elif defined HAVE_UNORDERED_MAP
 #include <unordered_map>