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-rw-r--r--brotli/enc/prefix.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/brotli/enc/prefix.cc b/brotli/enc/prefix.cc
index 3e43501..50b671e 100644
--- a/brotli/enc/prefix.cc
+++ b/brotli/enc/prefix.cc
@@ -90,7 +90,7 @@ int CopyLengthPrefix(int length) {
int CommandPrefix(int insert_length, int copy_length) {
if (copy_length == 0) {
- copy_length = 3;
+ copy_length = 4;
}
int insert_prefix = InsertLengthPrefix(insert_length);
int copy_prefix = CopyLengthPrefix(copy_length);