diff --git a/src/deh_lua.c b/src/deh_lua.c
index 6a7c08a9c..cfedd5571 100644
--- a/src/deh_lua.c
+++ b/src/deh_lua.c
@@ -203,6 +203,7 @@ static int ScanConstants(lua_State *L, boolean mathlib, const char *word)
 	else if (fastncmp("GT_", word, 3)) {
 		p = word;
 		i = 0;
+		INT32 j = 0;
 		while (gametypes[i] != NULL)
 		{
 			if (fastcmp(p, gametypes[i]->constant))
@@ -210,6 +211,14 @@ static int ScanConstants(lua_State *L, boolean mathlib, const char *word)
 				CacheAndPushConstant(L, word, i);
 				return 1;
 			}
+
+			if (lua_compatmode)
+				for (j = 0; GAMETYPE_ALIASES[j].n; j++)
+					if (fastcmp(p, GAMETYPE_ALIASES[j].n)) {
+						CacheAndPushConstant(L, word, GAMETYPE_ALIASES[j].v);
+						return 1;
+					}
+
 			i++;
 		}
 		if (mathlib) return luaL_error(L, "gametype '%s' could not be found.\n", word);
diff --git a/src/deh_tables.c b/src/deh_tables.c
index 3d876dd21..ccd166d03 100644
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@@ -224,6 +224,11 @@ struct int_const_s const MOBJ_ALIASES[] = {
 	{ NULL, 0 }
 };
 
+struct int_const_s const GAMETYPE_ALIASES[] = {
+	{"GT_MATCH",    	GT_BATTLE},
+	{ NULL, 0 }
+};
+
 const char *const MOBJFLAG_LIST[] = {
 	"SPECIAL",
 	"SOLID",
diff --git a/src/deh_tables.h b/src/deh_tables.h
index b53e85e88..f0d45a51a 100644
--- a/src/deh_tables.h
+++ b/src/deh_tables.h
@@ -87,6 +87,7 @@ extern struct flickytypes_s FLICKYTYPES[];
 extern actionpointer_t actionpointers[]; // Array mapping action names to action functions.
 extern struct int_const_s const STATE_ALIASES[];
 extern struct int_const_s const MOBJ_ALIASES[];
+extern struct int_const_s const GAMETYPE_ALIASES[];
 extern const char *const MOBJFLAG_LIST[];
 extern const char *const MOBJFLAG2_LIST[]; // \tMF2_(\S+).*// (.+) --> \t"\1", // \2
 extern const char *const MOBJEFLAG_LIST[];