diff --git a/Source/Engine/Graphics/Textures/StreamingTexture.cpp b/Source/Engine/Graphics/Textures/StreamingTexture.cpp
index a3927a30c..14874abf1 100644
--- a/Source/Engine/Graphics/Textures/StreamingTexture.cpp
+++ b/Source/Engine/Graphics/Textures/StreamingTexture.cpp
@@ -113,8 +113,9 @@ bool StreamingTexture::Create(const TextureHeader& header)
     if (_isBlockCompressed)
     {
         // Ensure that streaming doesn't go too low because the hardware expects the texture to be min in size of compressed texture block
+        const int32 blockSize = PixelFormatExtensions::ComputeBlockSize(_header.Format);
         int32 lastMip = header.MipLevels - 1;
-        while ((header.Width >> lastMip) < 4 && (header.Height >> lastMip) < 4 && lastMip > 0)
+        while ((header.Width >> lastMip) < blockSize && (header.Height >> lastMip) < blockSize && lastMip > 0)
             lastMip--;
         _minMipCountBlockCompressed = Math::Min(header.MipLevels - lastMip + 1, header.MipLevels);
     }
diff --git a/Source/Engine/Streaming/StreamingHandlers.cpp b/Source/Engine/Streaming/StreamingHandlers.cpp
index 44ea60774..0b10fba1b 100644
--- a/Source/Engine/Streaming/StreamingHandlers.cpp
+++ b/Source/Engine/Streaming/StreamingHandlers.cpp
@@ -59,7 +59,7 @@ int32 TexturesStreamingHandler::CalculateResidency(StreamableResource* resource,
 
     if (mipLevels > 0 && mipLevels < texture._minMipCountBlockCompressed && texture._isBlockCompressed)
     {
-        // Block compressed textures require minimum size of 4
+        // Block compressed textures require minimum size of block size (eg. 4 for BC formats)
         mipLevels = texture._minMipCountBlockCompressed;
     }