diff --git a/xpcom/io/nsLocalFileUnix.cpp b/xpcom/io/nsLocalFileUnix.cpp
index 5d7c026..9e2976d 100644
--- a/xpcom/io/nsLocalFileUnix.cpp
+++ b/xpcom/io/nsLocalFileUnix.cpp
@@ -13,2 +13,6 @@
 
+#pragma GCC visibility push(default)
+#include <sys/sysmacros.h>
+#pragma GCC visibility pop
+
 #include <sys/types.h>