diff --git a/mozilla/js/src/fdlibm/fdlibm.h b/mozilla/js/src/fdlibm/fdlibm.h
index 3049030b3fe..e623be56e45 100644
--- a/mozilla/js/src/fdlibm/fdlibm.h
+++ b/mozilla/js/src/fdlibm/fdlibm.h
@@ -61,7 +61,7 @@
 #define __LITTLE_ENDIAN
 #endif
 
-#if defined(linux) && (defined(__i386__) || defined(__x86_64__) || defined(__ia64))
+#if defined(linux) && (defined(__i386__) || defined(__x86_64__) || defined(__ia64) || (defined(__mips) && defined(__MIPSEL__)))
 #define __LITTLE_ENDIAN
 #endif