diff --git a/installed-tests/fixtures/backend.js b/installed-tests/fixtures/backend.js
index e126c35e7..d7eec1932 100644
--- a/installed-tests/fixtures/backend.js
+++ b/installed-tests/fixtures/backend.js
@@ -11,6 +11,17 @@ const GObject = imports.gi.GObject;
 const Config = imports.config;
 const Core = imports.service.core;
 
+// Retain compatibility with GLib < 2.80, which lacks GioUnix
+let GioUnix;
+try {
+    GioUnix = imports.gi.GioUnix;
+} catch (e) {
+    GioUnix = {
+        InputStream: Gio.UnixInputStream,
+        OutputStream: Gio.UnixOutputStream,
+    };
+}
+
 
 /**
  * TCP Port Constants
@@ -127,7 +138,7 @@ var ChannelService = GObject.registerClass({
 
             // Input stream
             this._udp6_stream = new Gio.DataInputStream({
-                base_stream: new Gio.UnixInputStream({
+                base_stream: new GioUnix.InputStream({
                     fd: this._udp6.fd,
                     close_fd: false,
                 }),
@@ -159,7 +170,7 @@ var ChannelService = GObject.registerClass({
 
             // Input stream
             this._udp4_stream = new Gio.DataInputStream({
-                base_stream: new Gio.UnixInputStream({
+                base_stream: new GioUnix.InputStream({
                     fd: this._udp4.fd,
                     close_fd: false,
                 }),
diff --git a/src/gsconnect-preferences b/src/gsconnect-preferences
index f9dad2355..5327686cb 100755
--- a/src/gsconnect-preferences
+++ b/src/gsconnect-preferences
@@ -11,6 +11,7 @@
 imports.gi.versions.Gdk = '3.0';
 imports.gi.versions.GdkPixbuf = '2.0';
 imports.gi.versions.Gio = '2.0';
+imports.gi.versions.GioUnix = '2.0';
 imports.gi.versions.GLib = '2.0';
 imports.gi.versions.GObject = '2.0';
 imports.gi.versions.Gtk = '3.0';
diff --git a/src/service/backends/lan.js b/src/service/backends/lan.js
index a5357bf28..4d321f7ff 100644
--- a/src/service/backends/lan.js
+++ b/src/service/backends/lan.js
@@ -11,6 +11,16 @@ const GObject = imports.gi.GObject;
 const Config = imports.config;
 const Core = imports.service.core;
 
+// Retain compatibility with GLib < 2.80, which lacks GioUnix
+let GioUnix;
+try {
+    GioUnix = imports.gi.GioUnix;
+} catch (e) {
+    GioUnix = {
+        InputStream: Gio.UnixInputStream,
+        OutputStream: Gio.UnixOutputStream,
+    };
+}
 
 /**
  * TCP Port Constants
@@ -264,7 +274,7 @@ var ChannelService = GObject.registerClass({
 
             // Input stream
             this._udp6_stream = new Gio.DataInputStream({
-                base_stream: new Gio.UnixInputStream({
+                base_stream: new GioUnix.InputStream({
                     fd: this._udp6.fd,
                     close_fd: false,
                 }),
@@ -296,7 +306,7 @@ var ChannelService = GObject.registerClass({
 
             // Input stream
             this._udp4_stream = new Gio.DataInputStream({
-                base_stream: new Gio.UnixInputStream({
+                base_stream: new GioUnix.InputStream({
                     fd: this._udp4.fd,
                     close_fd: false,
                 }),
diff --git a/src/service/daemon.js b/src/service/daemon.js
index 0d51748d8..27a69e29c 100755
--- a/src/service/daemon.js
+++ b/src/service/daemon.js
@@ -9,6 +9,7 @@
 imports.gi.versions.Gdk = '3.0';
 imports.gi.versions.GdkPixbuf = '2.0';
 imports.gi.versions.Gio = '2.0';
+imports.gi.versions.GioUnix = '2.0';
 imports.gi.versions.GIRepository = '2.0';
 imports.gi.versions.GLib = '2.0';
 imports.gi.versions.GObject = '2.0';
diff --git a/src/service/nativeMessagingHost.js b/src/service/nativeMessagingHost.js
index d83fc7f3f..c7711b754 100755
--- a/src/service/nativeMessagingHost.js
+++ b/src/service/nativeMessagingHost.js
@@ -7,6 +7,7 @@
 'use strict';
 
 imports.gi.versions.Gio = '2.0';
+imports.gi.versions.GioUnix = '2.0';
 imports.gi.versions.GLib = '2.0';
 imports.gi.versions.GObject = '2.0';
 
@@ -15,6 +16,17 @@ const GLib = imports.gi.GLib;
 const GObject = imports.gi.GObject;
 const System = imports.system;
 
+// Retain compatibility with GLib < 2.80, which lacks GioUnix
+let GioUnix;
+try {
+    GioUnix = imports.gi.GioUnix;
+} catch (e) {
+    GioUnix = {
+        InputStream: Gio.UnixInputStream,
+        OutputStream: Gio.UnixOutputStream,
+    };
+}
+
 
 const NativeMessagingHost = GObject.registerClass({
     GTypeName: 'GSConnectNativeMessagingHost',
@@ -44,12 +56,12 @@ const NativeMessagingHost = GObject.registerClass({
 
         // IO Channels
         this._stdin = new Gio.DataInputStream({
-            base_stream: new Gio.UnixInputStream({fd: 0}),
+            base_stream: new GioUnix.InputStream({fd: 0}),
             byte_order: Gio.DataStreamByteOrder.HOST_ENDIAN,
         });
 
         this._stdout = new Gio.DataOutputStream({
-            base_stream: new Gio.UnixOutputStream({fd: 1}),
+            base_stream: new GioUnix.OutputStream({fd: 1}),
             byte_order: Gio.DataStreamByteOrder.HOST_ENDIAN,
         });