diff --git a/src/backends/meta-monitor.c b/src/backends/meta-monitor.c
index 2b0aa5ac6..5d163e1a8 100644
--- a/src/backends/meta-monitor.c
+++ b/src/backends/meta-monitor.c
@@ -140,10 +140,6 @@ meta_monitor_spec_compare (MetaMonitorSpec *monitor_spec_a,
 {
   int ret;
 
-  ret = strcmp (monitor_spec_a->connector, monitor_spec_b->connector);
-  if (ret != 0)
-    return ret;
-
   ret = strcmp (monitor_spec_a->vendor, monitor_spec_b->vendor);
   if (ret != 0)
     return ret;
@@ -152,7 +148,15 @@ meta_monitor_spec_compare (MetaMonitorSpec *monitor_spec_a,
   if (ret != 0)
     return ret;
 
-  return strcmp (monitor_spec_a->serial, monitor_spec_b->serial);
+  ret = strcmp (monitor_spec_a->serial, monitor_spec_b->serial);
+  if (ret != 0)
+    return ret;
+
+  ret = strcmp (monitor_spec_a->connector, monitor_spec_b->connector);
+  if (ret != 0)
+    return ret;
+
+  return 0;
 }
 
 void