diff --git a/configure.ac b/configure.ac
index 4533a765acb924648184dff981a4b6f08e2724a0..50112a5d06c56dc2f41cfb4d299b257a2ed7ac2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -148,6 +148,7 @@ AC_ARG_ENABLE([doc],
 
 AS_IF([test "$enable_doc" = "yes"], [
   AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [yes], [no])
+  AC_CHECK_PROG([HAVE_DOT], [dot], [yes], [no])
 ],[
   HAVE_DOXYGEN=no
 ])
diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 5f0f3f629cd97deccc0ecd0b9d174687841b83af..0fa33633c3f870bcb990d7afd59d56c166d78939 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -15,4 +15,6 @@ WARN_NO_PARAMDOC       = YES
 JAVADOC_AUTOBRIEF      = YES
 SORT_MEMBER_DOCS       = NO
 
+HAVE_DOT               = @HAVE_DOT@
+
 PROJECT_LOGO           = @top_srcdir@/doc/opus_logo.svg