diff --git a/src/gr/spinellis/umlgraph/doclet/Options.java b/src/gr/spinellis/umlgraph/doclet/Options.java
index 8190179..a27a3e5 100644
--- a/src/gr/spinellis/umlgraph/doclet/Options.java
+++ b/src/gr/spinellis/umlgraph/doclet/Options.java
@@ -148,6 +148,7 @@ class Options implements Cloneable, OptionProvider {
            option.equals("-hideall") ||
            option.equals("-views") ||
            option.equals("-inferrel") ||
+           option.equals("-inferreltype") ||
            option.equals("-useimports") ||
            option.equals("-inferdep"))
 
diff --git a/src/org/umlgraph/doclet/Options.java b/src/org/umlgraph/doclet/Options.java
index 8190179..a27a3e5 100644
--- a/src/org/umlgraph/doclet/Options.java
+++ b/src/org/umlgraph/doclet/Options.java
@@ -148,6 +148,7 @@ class Options implements Cloneable, OptionProvider {
            option.equals("-hideall") ||
            option.equals("-views") ||
            option.equals("-inferrel") ||
+           option.equals("-inferreltype") ||
            option.equals("-useimports") ||
            option.equals("-inferdep"))