diff --git a/libraries/gpu/src/gpu/Texture_ktx.cpp b/libraries/gpu/src/gpu/Texture_ktx.cpp
index 3b56b1e8c5..c7da499e98 100644
--- a/libraries/gpu/src/gpu/Texture_ktx.cpp
+++ b/libraries/gpu/src/gpu/Texture_ktx.cpp
@@ -117,6 +117,9 @@ ktx::KTXUniquePointer Texture::serialize(const Texture& texture) {
     }
 
     auto ktxBuffer = ktx::KTX::create(header, images);
+    auto expectedMipCount = texture.evalNumMips();
+    assert(expectedMipCount == ktxBuffer->_images.size());
+    assert(expectedMipCount == header.numberOfMipmapLevels);
 
     assert(0 == memcmp(&header, ktxBuffer->getHeader(), sizeof(ktx::Header)));
     assert(ktxBuffer->_images.size() == images.size());
diff --git a/libraries/model/src/model/TextureMap.cpp b/libraries/model/src/model/TextureMap.cpp
index dd0ae402d5..7b2e363eff 100755
--- a/libraries/model/src/model/TextureMap.cpp
+++ b/libraries/model/src/model/TextureMap.cpp
@@ -103,8 +103,7 @@ gpu::Texture* cacheTexture(const std::string& name, gpu::Texture* srcTexture, bo
         }
     });
 
-    std::string cleanedName = name;
-    cleanedName = cleanedName.substr(cleanedName.find_last_of((char) '//') + 1);
+    std::string cleanedName = QUrl::toPercentEncoding(name.c_str()).toStdString();
     std::string cacheFilename(ktxCacheFolder.toStdString());
     cacheFilename += "/";
     cacheFilename += cleanedName;