diff --git a/include/core/validator.h b/include/core/validator.h
index f5f2ef91..2419de5d 100644
--- a/include/core/validator.h
+++ b/include/core/validator.h
@@ -52,8 +52,11 @@ public:
         : PrefixValidator(prefix, re_identifier, parent) {};
     ~IdentifierValidator() {};
 
+    void setAllowEmpty(bool allowEmpty);
+
 private:
     static const QRegularExpression re_identifier;
+    static const QRegularExpression re_identifierOrEmpty;
 };
 
 class UppercaseValidator : public QValidator {
diff --git a/src/core/tileset.cpp b/src/core/tileset.cpp
index 20590369..da5fcf54 100644
--- a/src/core/tileset.cpp
+++ b/src/core/tileset.cpp
@@ -182,9 +182,11 @@ bool Tileset::setMetatileLabel(int metatileId, QString label, Tileset *primaryTi
     if (!tileset)
         return false;
 
-    IdentifierValidator validator;
-    if (!validator.isValid(label))
-        return false;
+    if (!label.isEmpty()) {
+        IdentifierValidator validator;
+        if (!validator.isValid(label))
+            return false;
+    }
 
     tileset->metatileLabels[metatileId] = label;
     return true;
diff --git a/src/core/validator.cpp b/src/core/validator.cpp
index f682efc3..6f7a72a7 100644
--- a/src/core/validator.cpp
+++ b/src/core/validator.cpp
@@ -2,7 +2,11 @@
 
 // Identifiers must only contain word characters, and cannot start with a digit.
 const QRegularExpression IdentifierValidator::re_identifier = QRegularExpression("[A-Za-z_]+[\\w]*");
+const QRegularExpression IdentifierValidator::re_identifierOrEmpty = QRegularExpression("(^$|[A-Za-z_]+[\\w]*)");
 
+void IdentifierValidator::setAllowEmpty(bool allowEmpty) {
+    this->setRegularExpression(allowEmpty ? re_identifierOrEmpty : re_identifier);
+}
 
 bool PrefixValidator::missingPrefix(const QString &input) const {
     return !m_prefix.isEmpty() && !input.startsWith(m_prefix);
diff --git a/src/ui/tileseteditor.cpp b/src/ui/tileseteditor.cpp
index 835877da..9668f1cb 100644
--- a/src/ui/tileseteditor.cpp
+++ b/src/ui/tileseteditor.cpp
@@ -34,7 +34,10 @@ TilesetEditor::TilesetEditor(Project *project, Layout *layout, QWidget *parent)
     ui->actionShow_Tileset_Divider->setChecked(porymapConfig.showTilesetEditorDivider);
     ui->spinBox_paletteSelector->setMinimum(0);
     ui->spinBox_paletteSelector->setMaximum(Project::getNumPalettesTotal() - 1);
-    ui->lineEdit_metatileLabel->setValidator(new IdentifierValidator(this));
+
+    auto validator = new IdentifierValidator(this);
+    validator->setAllowEmpty(true);
+    ui->lineEdit_metatileLabel->setValidator(validator);
 
     ActiveWindowFilter *filter = new ActiveWindowFilter(this);
     connect(filter, &ActiveWindowFilter::activated, this, &TilesetEditor::onWindowActivated);