diff --git a/lib/WebGUI/Forum.pm b/lib/WebGUI/Forum.pm
index 379a94cd2..ed525c98e 100644
--- a/lib/WebGUI/Forum.pm
+++ b/lib/WebGUI/Forum.pm
@@ -292,7 +292,7 @@ The unique identifier of the post that was just added.
 
 sub incrementThreads {
         my ($self, $lastPostDate, $lastPostId) = @_;
-        WebGUI::SQL->write("update forum set threads=threads+1, lastPostId=$lastPostId, lastPostDate=$lastPostDate where forumId=".quote($self->get("forumId")));
+        WebGUI::SQL->write("update forum set threads=threads+1, lastPostId=".quote($lastPostId).", lastPostDate=$lastPostDate where forumId=".quote($self->get("forumId")));
 }
                                                                                                                                                              
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