diff --git a/src/test_opus.c b/src/test_opus.c
index 2771cb693b3cb3780d05991eb5baa9c0be053dc1..d4b1ce32677920150c8c67befee22bd284bfce12 100644
--- a/src/test_opus.c
+++ b/src/test_opus.c
@@ -122,6 +122,8 @@ int main(int argc, char *argv[])
        return 1;
     }
 
+    fprintf(stderr, "%s\n", opus_get_version_string());
+
     if (strcmp(argv[1], "-e")==0)
     {
         encode_only = 1;