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-rw-r--r--src/pinyin.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pinyin.cpp b/src/pinyin.cpp
index 62bb9c3..18d5779 100644
--- a/src/pinyin.cpp
+++ b/src/pinyin.cpp
@@ -1510,7 +1510,7 @@ static bool _prepend_sentence_candidates(pinyin_instance_t * instance,
return false;
/* prepend nbest match candidates to candidates. */
- for (size_t i = size - 1; i >= 0; --i) {
+ for (ssize_t i = size - 1; i >= 0; --i) {
lookup_candidate_t candidate;
candidate.m_candidate_type = NBEST_MATCH_CANDIDATE;
candidate.m_nbest_index = i;