diff --git a/libraries/gpu/src/gpu/Texture_ktx.cpp b/libraries/gpu/src/gpu/Texture_ktx.cpp
index 83d8e20b1c..d18440bbc6 100644
--- a/libraries/gpu/src/gpu/Texture_ktx.cpp
+++ b/libraries/gpu/src/gpu/Texture_ktx.cpp
@@ -77,7 +77,7 @@ ktx::KTXUniquePointer Texture::serialize(const Texture& texture) {
     }
 
     // Number level of mips coming
-    header.numberOfMipmapLevels = texture.maxMip();
+    header.numberOfMipmapLevels = texture.maxMip() + 1;
 
     ktx::Images images;
     for (uint32_t level = 0; level < header.numberOfMipmapLevels; level++) {