diff --git a/src/test/test-loopback.c b/src/test/test-loopback.c
index 8ebd0e0e01..c70633a0f3 100644
--- a/src/test/test-loopback.c
+++ b/src/test/test-loopback.c
@@ -27,6 +27,7 @@ int main(int argc, char* argv[]) {
         int r;
 
         log_open();
+        log_set_max_level(LOG_DEBUG);
         log_parse_environment();
 
         r = loopback_setup();