diff --git a/tests/audiomatch.c b/tests/audiomatch.c
index 9752f6819d..ca56df09b3 100644
--- a/tests/audiomatch.c
+++ b/tests/audiomatch.c
@@ -37,7 +37,7 @@ int main(int argc, char **argv){
     FILE *f[2];
     int i, pos;
     int siglen, datlen;
-    int bestpos;
+    int bestpos = 0;
     double bestc=0;
     double sigamp= 0;
     int16_t *signal, *data;