diff --git a/apps/opencs/view/world/idvalidator.cpp b/apps/opencs/view/world/idvalidator.cpp
index 6f790d20cb..b089c1df39 100644
--- a/apps/opencs/view/world/idvalidator.cpp
+++ b/apps/opencs/view/world/idvalidator.cpp
@@ -4,13 +4,7 @@
 
 bool CSVWorld::IdValidator::isValid(const QChar& c, bool first) const
 {
-    if (c.isLetter() || c == '_')
-        return true;
-
-    if (!first && (c.isDigit() || c.isSpace()))
-        return true;
-
-    return false;
+    return c.isPrint() ? true : false;
 }
 
 CSVWorld::IdValidator::IdValidator(bool relaxed, QObject* parent)