diff --git a/misc/munin/wormhole_channels b/misc/munin/wormhole_channels
index 10e5f2c..4b306b2 100755
--- a/misc/munin/wormhole_channels
+++ b/misc/munin/wormhole_channels
@@ -12,7 +12,7 @@ import os, sys, time, sqlite3
 def count_events():
     serverdir = os.environ["serverdir"]
     dbfile = os.path.join(serverdir, "relay.sqlite")
-    if not os.path.exists("relay.sqlite"):
+    if not os.path.exists(dbfile):
         print "cannot find relay.sqlite, please set env.serverdir"
         sys.exit(1)
     db = sqlite3.connect(dbfile)
diff --git a/misc/munin/wormhole_errors b/misc/munin/wormhole_errors
index aa73b5f..07f4a82 100755
--- a/misc/munin/wormhole_errors
+++ b/misc/munin/wormhole_errors
@@ -12,7 +12,7 @@ import os, sys, sqlite3
 def count_events():
     serverdir = os.environ["serverdir"]
     dbfile = os.path.join(serverdir, "relay.sqlite")
-    if not os.path.exists("relay.sqlite"):
+    if not os.path.exists(dbfile):
         print "cannot find relay.sqlite, please set env.serverdir"
         sys.exit(1)
     db = sqlite3.connect(dbfile)
diff --git a/misc/munin/wormhole_events b/misc/munin/wormhole_events
index 3c15ea9..c934bd5 100755
--- a/misc/munin/wormhole_events
+++ b/misc/munin/wormhole_events
@@ -12,7 +12,7 @@ import os, sys, sqlite3
 def count_events():
     serverdir = os.environ["serverdir"]
     dbfile = os.path.join(serverdir, "relay.sqlite")
-    if not os.path.exists("relay.sqlite"):
+    if not os.path.exists(dbfile):
         print "cannot find relay.sqlite, please set env.serverdir"
         sys.exit(1)
     db = sqlite3.connect(dbfile)
diff --git a/misc/munin/wormhole_messages b/misc/munin/wormhole_messages
index aa3e5af..3dc6acd 100755
--- a/misc/munin/wormhole_messages
+++ b/misc/munin/wormhole_messages
@@ -12,7 +12,7 @@ import os, sys, time, sqlite3
 def count_events():
     serverdir = os.environ["serverdir"]
     dbfile = os.path.join(serverdir, "relay.sqlite")
-    if not os.path.exists("relay.sqlite"):
+    if not os.path.exists(dbfile):
         print "cannot find relay.sqlite, please set env.serverdir"
         sys.exit(1)
     db = sqlite3.connect(dbfile)
diff --git a/misc/munin/wormhole_transit b/misc/munin/wormhole_transit
index 49646cb..4b881d5 100755
--- a/misc/munin/wormhole_transit
+++ b/misc/munin/wormhole_transit
@@ -12,7 +12,7 @@ import os, sys, sqlite3
 def count_events():
     serverdir = os.environ["serverdir"]
     dbfile = os.path.join(serverdir, "relay.sqlite")
-    if not os.path.exists("relay.sqlite"):
+    if not os.path.exists(dbfile):
         print "cannot find relay.sqlite, please set env.serverdir"
         sys.exit(1)
     db = sqlite3.connect(dbfile)