diff --git a/deps/ngtcp2/ngtcp2.gyp b/deps/ngtcp2/ngtcp2.gyp
index 2901eff484ac55..0aa3369e740f0b 100644
--- a/deps/ngtcp2/ngtcp2.gyp
+++ b/deps/ngtcp2/ngtcp2.gyp
@@ -123,7 +123,7 @@
             },
           },
         }],
-        ['OS=="linux" or OS=="android"', {
+        ['OS=="linux" or OS=="android" or OS=="openharmony"', {
           'defines': [
             'HAVE_ARPA_INET_H',
             'HAVE_NETINET_IN_H',
@@ -205,7 +205,7 @@
         ['OS!="win"', {
           'defines': ['HAVE_UNISTD_H']
         }],
-        ['OS=="linux" or OS=="android"', {
+        ['OS=="linux" or OS=="android" or OS=="openharmony"', {
           'defines': [
             'HAVE_ARPA_INET_H',
             'HAVE_NETINET_IN_H',