diff --git a/CHANGELOG.md b/CHANGELOG.md
index 69597ac..f61f8cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+3.4.1
+=====
+
+* (improvement) Normalize empty strings in `ImportData` to `null`.
+
+
 3.4.0
 =====
 
diff --git a/src/Import/ImportData.php b/src/Import/ImportData.php
index 5e7fb88..25bdaf0 100644
--- a/src/Import/ImportData.php
+++ b/src/Import/ImportData.php
@@ -72,7 +72,11 @@ public function getOptionalString (string $path) : ?string
 			));
 		}
 
-		return (string) $value;
+		$result = (string) $value;
+
+		return "" !== $result
+			? $result
+			: null;
 	}
 
 	/**
diff --git a/tests/Import/ImportDataTest.php b/tests/Import/ImportDataTest.php
index a5881a6..25cc147 100644
--- a/tests/Import/ImportDataTest.php
+++ b/tests/Import/ImportDataTest.php
@@ -25,6 +25,7 @@ public function testValid () : void
 			"bool" => true,
 			"string" => "text",
 			"enum" => "test",
+			"empty-string" => "",
 			"null" => null,
 			"nested" => [
 				"a" => 15,
@@ -49,6 +50,7 @@ public function testValid () : void
 		self::assertSame("2", $data->getString("int"));
 		self::assertSame("2.5", $data->getString("float"));
 		self::assertSame("1", $data->getString("bool"));
+		self::assertNull($data->getOptionalString("empty-string"));
 
 		// enum
 		self::assertSame(ExampleBackedEnum::Test, $data->getEnum("enum", ExampleBackedEnum::class));