diff --git a/main.c b/main.c
index 246334d..ee17c15 100644
--- a/main.c
+++ b/main.c
@@ -56,7 +56,7 @@ static int want_requires_private = 0;
 static int want_variables = 0;
 static int want_digraph = 0;
 static int want_env_only = 0;
-static int maximum_traverse_depth = 2;
+static int maximum_traverse_depth = -1;
 
 static char *required_pkgconfig_version = NULL;
 static char *required_module_version = NULL;