diff --git a/textproc/ugrep/files/patch-src_zstream.hpp b/textproc/ugrep/files/patch-src_zstream.hpp
new file mode 100644
index 000000000000..715484065756
--- /dev/null
+++ b/textproc/ugrep/files/patch-src_zstream.hpp
@@ -0,0 +1,11 @@
+--- src/zstream.hpp.orig	2024-11-29 20:51:51 UTC
++++ src/zstream.hpp
+@@ -2626,7 +2626,7 @@ class zstreambuf : public std::streambuf {
+         if (block_size > bz3file_->max ||
+             bz3file_->len > bz3file_->max ||
+             fread(bz3file_->buf, 1, block_size, file_) < block_size ||
+-            bz3_decode_block(bz3file_->strm, bz3file_->buf, block_size, bz3file_->len) < 0)
++            bz3_decode_block(bz3file_->strm, bz3file_->buf, bz3file_->max, block_size, bz3file_->len) < 0)
+         {
+           if (ferror(file_))
+             warning("cannot read", pathname_);