diff --git a/gio/gunixmounts.c b/gio/gunixmounts.c
index 2aac6419a..32b936259 100644
--- a/gio/gunixmounts.c
+++ b/gio/gunixmounts.c
@@ -956,6 +956,23 @@ _g_get_unix_mounts (void)
   return return_list;
 }
 
+/* QNX {{{2 */
+#elif defined (HAVE_QNX)
+
+static char *
+get_mtab_monitor_file (void)
+{
+  /* TODO: Not implemented */
+  return NULL;
+}
+
+static GList *
+_g_get_unix_mounts (void)
+{
+  /* TODO: Not implemented */
+  return NULL;
+}
+
 /* Common code {{{2 */
 #else
 #error No _g_get_unix_mounts() implementation for system
@@ -1479,6 +1496,14 @@ _g_get_unix_mount_points (void)
   return _g_get_unix_mounts ();
 }
 
+/* QNX {{{2 */
+#elif defined (HAVE_QNX)
+static GList *
+_g_get_unix_mount_points (void)
+{
+  return _g_get_unix_mounts ();
+}
+
 /* Common code {{{2 */
 #else
 #error No g_get_mount_table() implementation for system
diff --git a/meson.build b/meson.build
index 00c4789e9..5845d74d0 100644
--- a/meson.build
+++ b/meson.build
@@ -773,6 +773,10 @@ if host_system == 'darwin'
   add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
 endif
 
+if host_system == 'qnx'
+  glib_conf.set('HAVE_QNX', 1)
+endif
+
 # Check for futex(2)
 if cc.links('''#include <linux/futex.h>
                #include <sys/syscall.h>