diff --git a/mailnews/extensions/smime/macbuild/smime.xml b/mailnews/extensions/smime/macbuild/smime.xml
index 959e7603b89..2cf2d2fab69 100644
--- a/mailnews/extensions/smime/macbuild/smime.xml
+++ b/mailnews/extensions/smime/macbuild/smime.xml
@@ -782,7 +782,7 @@
                 <SETTING><NAME>MWPEF_olddefversion</NAME><VALUE>100</VALUE></SETTING>
                 <SETTING><NAME>MWPEF_oldimpversion</NAME><VALUE>100</VALUE></SETTING>
                 <SETTING><NAME>MWPEF_currentversion</NAME><VALUE>100</VALUE></SETTING>
-                <SETTING><NAME>MWPEF_fragmentname</NAME><VALUE>MSGDB_DLL</VALUE></SETTING>
+                <SETTING><NAME>MWPEF_fragmentname</NAME><VALUE>MSGSMIME_DLL</VALUE></SETTING>
                 <SETTING><NAME>MWPEF_collapsereloads</NAME><VALUE>0</VALUE></SETTING>
 
                 <!-- Settings for "PPC Project" panel -->