diff --git a/src/libpocketsphinx/allphone_search.c b/src/libpocketsphinx/allphone_search.c
index b30993f21..7fcd24e6b 100644
--- a/src/libpocketsphinx/allphone_search.c
+++ b/src/libpocketsphinx/allphone_search.c
@@ -62,6 +62,8 @@ allphone_search_prob(ps_search_t * search)
 
 static void
 allphone_backtrace(allphone_search_t * allphs, int32 f, int32 *out_score);
+static void
+allphone_clear_segments(allphone_search_t * allphs);
 
 static void
 allphone_search_seg_free(ps_seg_t * seg)