diff --git a/scripttease/lib/commands/pgsql.py b/scripttease/lib/commands/pgsql.py
index 61b5f88..8f2f873 100644
--- a/scripttease/lib/commands/pgsql.py
+++ b/scripttease/lib/commands/pgsql.py
@@ -57,7 +57,8 @@ def pgsql(command, *args, excluded_kwargs=None, host="localhost", password=None,
 
     a = list()
 
-    if password is not None:
+    # Password may be None or an empty string.
+    if password:
         a.append('export PGPASSWORD="%s" &&' % password)
 
     a.append(command)