diff --git a/server/runtime_go_nakama.go b/server/runtime_go_nakama.go
index 8c6952eb4e..f6beadb5f1 100644
--- a/server/runtime_go_nakama.go
+++ b/server/runtime_go_nakama.go
@@ -2848,11 +2848,11 @@ func (n *RuntimeGoNakamaModule) TournamentList(ctx context.Context, categoryStar
 	if categoryEnd < 0 || categoryEnd >= 128 {
 		return nil, errors.New("categoryEnd must be 0-127")
 	}
-	if startTime < 0 {
-		return nil, errors.New("startTime must be >= 0")
+	if startTime < -1 {
+		return nil, errors.New("startTime must be >= -1")
 	}
-	if endTime < 0 {
-		return nil, errors.New("endTime must be >= 0")
+	if endTime < -1 {
+		return nil, errors.New("endTime must be >= -1")
 	}
 	if endTime < startTime {
 		return nil, errors.New("endTime must be >= startTime")
diff --git a/server/runtime_lua_nakama.go b/server/runtime_lua_nakama.go
index 62428e5db1..3ed26b8bdf 100644
--- a/server/runtime_lua_nakama.go
+++ b/server/runtime_lua_nakama.go
@@ -8333,24 +8333,24 @@ func (n *RuntimeLuaNakamaModule) tournamentList(l *lua.LState) int {
 	startTime := -1
 	if v := l.Get(3); v.Type() != lua.LTNil {
 		if v.Type() != lua.LTNumber {
-			l.ArgError(3, "startTime must be >= 0")
+			l.ArgError(3, "startTime must be >= -1")
 			return 0
 		}
 		startTime = int(lua.LVAsNumber(v))
 		if startTime < 0 {
-			l.ArgError(3, "startTime must be >= 0")
+			l.ArgError(3, "startTime must be >= -1")
 			return 0
 		}
 	}
 	endTime := -1
 	if v := l.Get(4); v.Type() != lua.LTNil {
 		if v.Type() != lua.LTNumber {
-			l.ArgError(4, "endTime must be >= 0")
+			l.ArgError(4, "endTime must be >= -1")
 			return 0
 		}
 		endTime = int(lua.LVAsNumber(v))
 		if endTime < 0 {
-			l.ArgError(4, "endTime must be >= 0")
+			l.ArgError(4, "endTime must be >= -1")
 			return 0
 		}
 	}