diff --git a/lib/gopherbot_v1.py b/lib/gopherbot_v1.py
index 416847c2..27348641 100644
--- a/lib/gopherbot_v1.py
+++ b/lib/gopherbot_v1.py
@@ -216,7 +216,7 @@ def PromptThreadForReply(self, regex_id, prompt, format=""):
         return self.PromptUserChannelThreadForReply(regex_id, self.user, self.channel, self.thread_id, prompt, format)
 
     def PromptUserForReply(self, regex_id, user, prompt, format=""):
-        return self.PromptUserChannelThreadForReply(regex_id, user, "", prompt, format)
+        return self.PromptUserChannelThreadForReply(regex_id, user, "", "", prompt, format)
 
     def PromptUserChannelThreadForReply(self, regex_id, user, channel, thread, prompt, format=""):
         for i in range(0, 3):
diff --git a/lib/gopherbot_v2.py b/lib/gopherbot_v2.py
index 26522cf8..7f316c51 100644
--- a/lib/gopherbot_v2.py
+++ b/lib/gopherbot_v2.py
@@ -216,7 +216,7 @@ def PromptThreadForReply(self, regex_id, prompt, format=""):
         return self.PromptUserChannelThreadForReply(regex_id, self.user, self.channel, self.thread_id, prompt, format)
 
     def PromptUserForReply(self, regex_id, user, prompt, format=""):
-        return self.PromptUserChannelThreadForReply(regex_id, user, "", prompt, format)
+        return self.PromptUserChannelThreadForReply(regex_id, user, "", "", prompt, format)
 
     def PromptUserChannelThreadForReply(self, regex_id, user, channel, thread, prompt, format=""):
         for i in range(0, 3):