diff --git a/tests/audiomatch.c b/tests/audiomatch.c
index ca56df09b3..9671789a37 100644
--- a/tests/audiomatch.c
+++ b/tests/audiomatch.c
@@ -107,4 +107,6 @@ int main(int argc, char **argv){
         }
     }
     printf("presig: %d postsig:%d c:%7.4f lenerr:%d\n", bestpos, datlen - siglen - bestpos, bestc / sigamp, datlen - siglen);
+
+    return 0;
 }