diff --git a/cmd/mtwebmapper/players.go b/cmd/mtwebmapper/players.go
index 11f0b2a..7998158 100644
--- a/cmd/mtwebmapper/players.go
+++ b/cmd/mtwebmapper/players.go
@@ -90,16 +90,16 @@ func (ps *players) readFromFIFO() ([]*player, error) {
 	return pls, nil
 }
 
-func differentPlayers(a, b []*player) bool {
-	if len(a) == len(b) {
+func samePlayers(a, b []*player) bool {
+	if len(a) != len(b) {
 		return true
 	}
 	for i, p := range a {
 		if !p.same(b[i]) {
-			return true
+			return false
 		}
 	}
-	return false
+	return true
 }
 
 func (ps *players) run() {
@@ -115,7 +115,7 @@ func (ps *players) run() {
 		sort.Sort(sortPlayersByName(pls))
 		var change bool
 		ps.mu.Lock()
-		if change = differentPlayers(pls, ps.pls); change {
+		if change = !samePlayers(pls, ps.pls); change {
 			ps.pls = pls
 		}
 		ps.mu.Unlock()