diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/dynamic/DynamicTextureArray.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/dynamic/DynamicTextureArray.kt
index 7afb64bc3..4edd8b42c 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/dynamic/DynamicTextureArray.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/dynamic/DynamicTextureArray.kt
@@ -72,7 +72,11 @@ abstract class DynamicTextureArray(
         val data = creator.invoke()
 
         this.data = MipmapTextureData(data.size, data.buffer)
-        context.queue += { upload(index, this) }
+        if (Thread.currentThread() == context.thread) {
+            upload(index, this)
+        } else {
+            context.queue += { upload(index, this) }
+        }
     }
 
     fun pushRaw(identifier: Any, async: Boolean = true, creator: () -> ByteArray): DynamicTexture {