diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2df2817f..20cd5d316 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@ if(DOXYGEN_FOUND)
     set(DOXYGEN_STRIP_CODE_COMMENTS NO)
     if(Doxygen_dot_FOUND)
         set(DOXYGEN_HAVE_DOT YES)
+        set(DOXYGEN_CALL_GRAPH YES)
         set(DOXYGEN_DOT_IMAGE_FORMAT "svg")
         set(DOXYGEN_INTERACTIVE_SVG YES)
     endif()