diff --git a/tz.c b/tz.c
index a6c1035..065618b 100644
--- a/tz.c
+++ b/tz.c
@@ -61,7 +61,6 @@ void ArgTimezone(const char *tz)
     }
 
     Fail(NULL, 0, "Unknown timezone. Try TIMEZONE=?");
-    exit(1);
 }
 
 void PrintTimeZones()