diff --git a/buku b/buku
index a5757c8..e99323f 100755
--- a/buku
+++ b/buku
@@ -363,6 +363,7 @@ def cleardb(conn, cur, index):
 # Print all records in the table
 def printdb(cur, index):
     global showOpt
+    global jsonOutput
 
     if index == None: # Show all entries
         for row in cur.execute('SELECT * FROM bookmarks'):