diff --git a/xpfe/components/search/src/nsInternetSearchService.cpp b/xpfe/components/search/src/nsInternetSearchService.cpp
index c256510eda69..10271021dd43 100755
--- a/xpfe/components/search/src/nsInternetSearchService.cpp
+++ b/xpfe/components/search/src/nsInternetSearchService.cpp
@@ -119,7 +119,7 @@ static const char kURINC_FilterSearchURLsRoot[]       = "NC:FilterSearchURLsRoot
 static const char kURINC_FilterSearchSitesRoot[]      = "NC:FilterSearchSitesRoot";
 static const char kSearchCommand[]                    = "http://home.netscape.com/NC-rdf#command?";
 
-static int	searchModePrefCallback(const char *pref, void *aClosure);
+PR_CALLBACK int	searchModePrefCallback(const char *pref, void *aClosure);
 
 
 
@@ -474,7 +474,7 @@ static const char		kSearchProtocol[] = "internetsearch:";
 
 
 
-static int
+PR_CALLBACK int
 searchModePrefCallback(const char *pref, void *aClosure)
 {
 	InternetSearchDataSource *searchDS = NS_STATIC_CAST(InternetSearchDataSource *, aClosure);