diff --git a/main.go b/main.go
index f802b2d..869310c 100644
--- a/main.go
+++ b/main.go
@@ -72,21 +72,20 @@ type MatrixConfig struct {
 
 var (
 	chatRE = regexp.MustCompile(
-		`^\[[0-9:]+\] \[[^]]+/INFO\]: (?:\[Not Secure\] )?<([^>]+)> (.*)$`,
+		`^\[[0-9:]+\] \[[^]]+/INFO\]: (?:System chat: )?(?:\[Not Secure\] )?<([^>]+)> (.*)$`,
 	)
 
 	joinRE = regexp.MustCompile(
-		`^\[[0-9:]+\] \[[^]]+/INFO\]: ([A-Za-z0-9_]+) joined the game$`,
+		`^\[[0-9:]+\] \[[^]]+/INFO\]: (?:System chat: )?([A-Za-z0-9_]+) joined the game$`,
 	)
 
 	leaveRE = regexp.MustCompile(
-		`^\[[0-9:]+\] \[[^]]+/INFO\]: ([A-Za-z0-9_]+) left the game$`,
+		`^\[[0-9:]+\] \[[^]]+/INFO\]: (?:System chat: )?([A-Za-z0-9_]+) left the game$`,
 	)
 
 	advancementRE = regexp.MustCompile(
-		`^\[[0-9:]+\] \[[^]]+/INFO\]: ([A-Za-z0-9_]+) has (?:made the advancement|reached the goal|completed the challenge) \[(.+)\]$`,
-	)
-
+		`^\[[0-9:]+\] \[[^]]+/INFO\]: (?:System chat: )?([A-Za-z0-9_]+) has (?:made the advancement|reached the goal|completed the challenge) \[(.+)\]$`,
+	)	
 	deathRE = regexp.MustCompile(
 		`^\[[0-9:]+\] \[[^]]+/INFO\]: (.+)$`,
 	)