diff --git a/extra/nodejs/build b/extra/nodejs/build
index aeb8310e..970238bd 100755
--- a/extra/nodejs/build
+++ b/extra/nodejs/build
@@ -8,6 +8,10 @@
     mv -f _ node.gyp
 }
 
+# Attempt to increase file descriptor limit
+# as build may exhaust default (1024).
+ulimit -n 4096 2>/dev/null || :
+
 ./configure \
     --shared-zlib \
     --shared-openssl \