diff --git a/transcoder/basisu_transcoder.cpp b/transcoder/basisu_transcoder.cpp
index 4eb9cc2..a42fb02 100644
--- a/transcoder/basisu_transcoder.cpp
+++ b/transcoder/basisu_transcoder.cpp
@@ -4622,6 +4622,7 @@ namespace basist
 		const int CHROMA_THRESH = 10;
 		
 		uint32_t total_filtered_blocks = 0;
+		BASISU_NOTE_UNUSED(total_filtered_blocks);
 
 		for (int by = 0; by < (int)num_blocks_y; by++)
 		{