diff --git a/intl/locale/src/nsLanguageAtomService.h b/intl/locale/src/nsLanguageAtomService.h
index f5922a034d1..3d8b757e90c 100644
--- a/intl/locale/src/nsLanguageAtomService.h
+++ b/intl/locale/src/nsLanguageAtomService.h
@@ -24,7 +24,7 @@
 #include "nsCOMPtr.h"
 #include "nsICharsetConverterManager2.h"
 #include "nsILanguageAtomService.h"
-#include "nsIPersistentProperties.h"
+#include "nsIPersistentProperties2.h"
 #include "nsISupportsArray.h"
 
 class nsLanguageAtomService : public nsILanguageAtomService
diff --git a/intl/strres/tests/StringBundleTest.cpp b/intl/strres/tests/StringBundleTest.cpp
index f4e326f8be6..047369b8269 100644
--- a/intl/strres/tests/StringBundleTest.cpp
+++ b/intl/strres/tests/StringBundleTest.cpp
@@ -23,7 +23,7 @@
 #define NS_IMPL_IDS
 
 #include "nsCOMPtr.h"
-#include "nsIPersistentProperties.h"
+#include "nsIPersistentProperties2.h"
 #include "nsIStringBundle.h"
 #include "nsIEventQueueService.h"
 #include "nsILocale.h"