diff --git a/libclamav/ole2_extract.c b/libclamav/ole2_extract.c
index 3c855f709b..45e995f54d 100644
--- a/libclamav/ole2_extract.c
+++ b/libclamav/ole2_extract.c
@@ -720,7 +720,8 @@ static size_t get_stream_data_offset(ole2_header_t *hdr, const property_t *word_
 
     if (word_block->size < MINISTREAM_CUTOFF_SIZE) {
         fib_offset = offset + sector_size * hdr->sbat_root_start;
-        fib_offset += (word_block->start_block * (1 << hdr->log2_small_block_size));
+        //fib_offset += (word_block->start_block * (1 << hdr->log2_small_block_size));
+        fib_offset += (sector * (1 << hdr->log2_small_block_size));
     } else {
         fib_offset = offset + sector_size * sector;
     }