diff --git a/mozilla/string/obsolete/nsString.cpp b/mozilla/string/obsolete/nsString.cpp
index 89c2985f41d..2900a216f34 100644
--- a/mozilla/string/obsolete/nsString.cpp
+++ b/mozilla/string/obsolete/nsString.cpp
@@ -47,7 +47,7 @@
 #include "nsDebug.h"
 
 #ifndef nsCharTraits_h___
-#include "nsCharTratis.h"
+#include "nsCharTraits.h"
 #endif
 
 #ifndef RICKG_TESTBED
diff --git a/mozilla/xpcom/string/obsolete/nsString.cpp b/mozilla/xpcom/string/obsolete/nsString.cpp
index 89c2985f41d..2900a216f34 100644
--- a/mozilla/xpcom/string/obsolete/nsString.cpp
+++ b/mozilla/xpcom/string/obsolete/nsString.cpp
@@ -47,7 +47,7 @@
 #include "nsDebug.h"
 
 #ifndef nsCharTraits_h___
-#include "nsCharTratis.h"
+#include "nsCharTraits.h"
 #endif
 
 #ifndef RICKG_TESTBED