diff --git a/thirdparty/libktx/lib/basis_transcode.cpp b/thirdparty/libktx/lib/basis_transcode.cpp
index 293400f4a5..9268b8f31b 100644
--- a/thirdparty/libktx/lib/basis_transcode.cpp
+++ b/thirdparty/libktx/lib/basis_transcode.cpp
@@ -663,7 +663,7 @@ ktxTexture2_transcodeUastc(ktxTexture2* This,
     ktxLevelIndexEntry* protoLevelIndex = protoPriv._levelIndex;
     ktx_size_t levelOffsetWrite = 0;
 
-    basisu_lowlevel_uastc_transcoder uit;
+    basisu_lowlevel_uastc_ldr_4x4_transcoder uit;
     // See comment on same declaration in transcodeEtc1s.
     std::vector<basisu_transcoder_state> xcoderStates;
     xcoderStates.resize(This->isVideo ? This->numFaces : 1);