diff --git a/mozilla/modules/plugin/base/public/nptypes.h b/mozilla/modules/plugin/base/public/nptypes.h
index 613dd450a21..7a3b604d129 100644
--- a/mozilla/modules/plugin/base/public/nptypes.h
+++ b/mozilla/modules/plugin/base/public/nptypes.h
@@ -80,6 +80,8 @@
     #include <inttypes.h>
     #include <stdbool.h>
   #endif
+#elif defined(BEOS)
+  #include <inttypes.h>
 #else
   /*
    * For those that ship a standard C99 stdint.h header file, include