diff --git a/src/jrd/isc.cpp b/src/jrd/isc.cpp
index 29b493b65b..ad1d501546 100644
--- a/src/jrd/isc.cpp
+++ b/src/jrd/isc.cpp
@@ -36,7 +36,7 @@
  *
  */
 /*
-$Id: isc.cpp,v 1.23 2002-12-10 11:53:49 eku Exp $
+$Id: isc.cpp,v 1.24 2002-12-11 16:31:15 skidder Exp $
 */
 #ifdef DARWIN
 #define _STLP_CCTYPE
@@ -557,6 +557,7 @@ void DLL_EXPORT ISC_get_config(TEXT * config_file, IPCCFG config_table)
 /* The master configuration options are in memory, now for
    this request for option values mark each one as not found
    and search the memory table for each one. */
+    if (!config_table) return;
 
 	for (h = config_table; h->ipccfg_keyword; h++)
 	{
diff --git a/src/jrd/jrd.cpp b/src/jrd/jrd.cpp
index d19d2c33b9..d54139daec 100644
--- a/src/jrd/jrd.cpp
+++ b/src/jrd/jrd.cpp
@@ -5578,6 +5578,10 @@ static DBB init(TDBB	tdbb,
 			gds__register_cleanup(cleanup, 0);
 			initialized = TRUE;
 			JRD_cache_default = Config::getDefaultDbCachePages();
+			// 11 Dec 2002 Nickolay Samofatov. This is a temporary hack to make old  //
+			// configuration manager generate default directories parameters         //
+			ISC_get_config(LOCK_HEADER, NULL);
+			///////////////////////////////////////////////////////////////////////////
 			if (JRD_cache_default < MIN_PAGE_BUFFERS)
 				JRD_cache_default = MIN_PAGE_BUFFERS;
 			if (JRD_cache_default > MAX_PAGE_BUFFERS)