diff --git a/apt_info.py b/apt_info.py
index 1945591..3d761fd 100755
--- a/apt_info.py
+++ b/apt_info.py
@@ -59,11 +59,13 @@ def _write_pending_upgrades(registry, cache):
     }
     upgrade_list = _convert_candidates_to_upgrade_infos(candidates)
 
+    g = Gauge('apt_upgrades_pending', "Apt packages pending updates by origin",
+              ['origin', 'arch'], registry=registry)
     if upgrade_list:
-        g = Gauge('apt_upgrades_pending', "Apt packages pending updates by origin",
-                  ['origin', 'arch'], registry=registry)
         for change in upgrade_list:
             g.labels(change.labels['origin'], change.labels['arch']).set(change.count)
+    else:
+        g.labels("", "").set(0)
 
 
 def _write_held_upgrades(registry, cache):
@@ -73,11 +75,13 @@ def _write_held_upgrades(registry, cache):
     }
     upgrade_list = _convert_candidates_to_upgrade_infos(held_candidates)
 
+    g = Gauge('apt_upgrades_held', "Apt packages pending updates but held back.",
+              ['origin', 'arch'], registry=registry)
     if upgrade_list:
-        g = Gauge('apt_upgrades_held', "Apt packages pending updates but held back.",
-                  ['origin', 'arch'], registry=registry)
         for change in upgrade_list:
             g.labels(change.labels['origin'], change.labels['arch']).set(change.count)
+    else:
+        g.labels("", "").set(0)
 
 
 def _write_autoremove_pending(registry, cache):