diff --git a/include/i18nlangtag/i18nlangtagdllapi.h b/include/i18nlangtag/i18nlangtagdllapi.h
index ba9af35c08fe..74d548468cb9 100644
--- a/include/i18nlangtag/i18nlangtagdllapi.h
+++ b/include/i18nlangtag/i18nlangtagdllapi.h
@@ -20,7 +20,7 @@
 #ifndef INCLUDED_I18NLANGTAG_I18NLANGTAGDLLAPI_H
 #define INCLUDED_I18NLANGTAG_I18NLANGTAGDLLAPI_H
 
-#include "sal/types.h"
+#include <sal/types.h>
 
 #if defined(I18NLANGTAG_DLLIMPLEMENTATION)
 #define I18NLANGTAG_DLLPUBLIC  SAL_DLLPUBLIC_EXPORT
diff --git a/include/i18nlangtag/mslangid.hxx b/include/i18nlangtag/mslangid.hxx
index b2b89a8293e4..36931e5aadf7 100644
--- a/include/i18nlangtag/mslangid.hxx
+++ b/include/i18nlangtag/mslangid.hxx
@@ -22,8 +22,8 @@
 
 #include <sal/config.h>
 
-#include "i18nlangtag/i18nlangtagdllapi.h"
-#include "i18nlangtag/lang.h"
+#include <i18nlangtag/i18nlangtagdllapi.h>
+#include <i18nlangtag/lang.h>
 #include <com/sun/star/lang/Locale.hpp>
 #include <vector>