diff --git a/mailnews/base/src/nsMsgAccountManager.cpp b/mailnews/base/src/nsMsgAccountManager.cpp
index 1d061c7f1fb..7f22dbe2807 100644
--- a/mailnews/base/src/nsMsgAccountManager.cpp
+++ b/mailnews/base/src/nsMsgAccountManager.cpp
@@ -1033,7 +1033,7 @@ nsMsgAccountManager::GetAllServers(nsISupportsArray **_retval)
   return rv;
 }
 
-PRBool
+PRBool PR_CALLBACK
 nsMsgAccountManager::getServersToArray(nsHashKey *aKey,
                                        void *element,
                                        void *aData)
diff --git a/mailnews/base/src/nsMsgAccountManager.h b/mailnews/base/src/nsMsgAccountManager.h
index 3fbdd2a29e8..bacdf8cdf29 100644
--- a/mailnews/base/src/nsMsgAccountManager.h
+++ b/mailnews/base/src/nsMsgAccountManager.h
@@ -151,7 +151,7 @@ private:
   //
   
   // load up the servers into the given nsISupportsArray
-  static PRBool getServersToArray(nsHashKey* aKey, void *element, void *aData);
+  static PRBool PR_CALLBACK getServersToArray(nsHashKey* aKey, void *element, void *aData);
 
   // find the server given by {username, hostname, type}
   static PRBool findServer(nsISupports *aElement, void *data);
diff --git a/mailnews/mime/src/mimemoz2.cpp b/mailnews/mime/src/mimemoz2.cpp
index 7346ac61797..ed37732221d 100644
--- a/mailnews/mime/src/mimemoz2.cpp
+++ b/mailnews/mime/src/mimemoz2.cpp
@@ -1727,7 +1727,7 @@ MimeGetStringByID(PRInt32 stringID)
     return tempString;
 }
 
-void 
+void PR_CALLBACK
 ResetChannelCharset(MimeObject *obj) 
 { 
   if (obj->options && obj->options->stream_closure &&