diff --git a/DirectXTex/BC6HBC7.cpp b/DirectXTex/BC6HBC7.cpp
index 18ed585..e46f469 100644
--- a/DirectXTex/BC6HBC7.cpp
+++ b/DirectXTex/BC6HBC7.cpp
@@ -2130,8 +2130,8 @@ void D3DX_BC7::Encode(const HDRColorA* const pIn)
     for(EP.uMode = 0; EP.uMode < 8 && fMSEBest > 0; ++EP.uMode)
     {
         const size_t uShapes = 1 << ms_aInfo[EP.uMode].uPartitionBits;
-        assert( uShapes < BC7_MAX_SHAPES );
-        __analysis_assume( uShapes < BC7_MAX_SHAPES );
+        assert( uShapes <= BC7_MAX_SHAPES );
+        __analysis_assume( uShapes <= BC7_MAX_SHAPES );
 
         const size_t uNumRots = 1 << ms_aInfo[EP.uMode].uRotationBits;
         const size_t uNumIdxMode = 1 << ms_aInfo[EP.uMode].uIndexModeBits;