diff --git a/src/emu/config.c b/src/emu/config.c
index d71ed5c1ef4..4ab9c1339a9 100644
--- a/src/emu/config.c
+++ b/src/emu/config.c
@@ -19,14 +19,6 @@
 
 
 
-/***************************************************************************
-    CONSTANTS
-***************************************************************************/
-
-#define CONFIG_VERSION			10
-
-
-
 /***************************************************************************
     TYPE DEFINITIONS
 ***************************************************************************/
diff --git a/src/emu/config.h b/src/emu/config.h
index 61fb9f58862..c34bb1bea6b 100644
--- a/src/emu/config.h
+++ b/src/emu/config.h
@@ -24,6 +24,8 @@
  *
  *************************************/
 
+#define CONFIG_VERSION			10
+
 enum
 {
 	CONFIG_TYPE_INIT = 0,					/* opportunity to initialize things first */
diff --git a/src/emu/info.c b/src/emu/info.c
index 44c596eda20..63ae4dc509a 100644
--- a/src/emu/info.c
+++ b/src/emu/info.c
@@ -14,6 +14,7 @@
 #include "info.h"
 #include "xmlfile.h"
 #include "hash.h"
+#include "config.h"
 
 #include <ctype.h>
 
@@ -922,6 +923,7 @@ void print_mame_xml(FILE *out, const game_driver *const games[], const char *gam
 		"<!ELEMENT " XML_ROOT " (" XML_TOP "+)>\n"
 		"\t<!ATTLIST " XML_ROOT " build CDATA #IMPLIED>\n"
 		"\t<!ATTLIST " XML_ROOT " debug (yes|no) \"no\">\n"
+		"\t<!ATTLIST " XML_ROOT " mameconfig CDATA #REQUIRED>\n"
 #ifdef MESS
 		"\t<!ELEMENT " XML_TOP " (description, year?, manufacturer, biosset*, rom*, disk*, sample*, chip*, display*, sound?, input?, dipswitch*, configuration*, category*, adjuster*, driver?, device*, ramoption*)>\n"
 #else
@@ -1054,8 +1056,9 @@ void print_mame_xml(FILE *out, const game_driver *const games[], const char *gam
 #else
 		"no"
 #endif
-		"\">\n",
-		xml_normalize_string(build_version)
+		"\" mameconfig=\"%d\">\n",
+		xml_normalize_string(build_version),
+		CONFIG_VERSION
 	);
 
 	for (drvnum = 0; games[drvnum] != NULL; drvnum++)