diff --git a/src/main/java/de/bixilon/minosoft/data/registries/identified/ResourceLocationUtil.kt b/src/main/java/de/bixilon/minosoft/data/registries/identified/ResourceLocationUtil.kt
index b23d29c61..5c5ef07c5 100644
--- a/src/main/java/de/bixilon/minosoft/data/registries/identified/ResourceLocationUtil.kt
+++ b/src/main/java/de/bixilon/minosoft/data/registries/identified/ResourceLocationUtil.kt
@@ -21,7 +21,7 @@ object ResourceLocationUtil {
         if (!StaticConfiguration.VALIDATE_RESOURCE_LOCATION) {
             return
         }
-        if (namespace.isBlank()) {
+        if (namespace.isEmpty()) {
             throw IllegalArgumentException("Namespace is blank!")
         }
         for (code in namespace.codePoints()) {