diff --git a/doc/doxygen/Doxylocal b/doc/doxygen/Doxylocal
index 33162abfec87cdf05a8f5eb8c28bde5faf944b8f..fa7efb8329f528cc6913a3319f9321656f996c7d 100644
--- a/doc/doxygen/Doxylocal
+++ b/doc/doxygen/Doxylocal
@@ -44,3 +44,5 @@ MACRO_EXPANSION        = YES
 EXPAND_ONLY_PREDEF     = YES
 PREDEFINED            += "DUNE_DEPRECATED:=/** \deprecated */" \
                          "DUNE_DEPRECATED_MSG(A):=/** \deprecated A */"
+
+DOT_GRAPH_MAX_NODES    = 100