diff --git a/src/hierarchiciterator.cc b/src/hierarchiciterator.cc
index eadfcefcd75a597f5452ee0b7644543dfeaaef0a..a8ae57908b57c645f6710d0ee62556d71dc4c040 100644
--- a/src/hierarchiciterator.cc
+++ b/src/hierarchiciterator.cc
@@ -58,4 +58,6 @@ int main(int argc, char** argv)
 #endif
 }
 
+#else // DUNE_HAVE_CXX_VARIANT
+int main() {}
 #endif // DUNE_HAVE_CXX_VARIANT
\ No newline at end of file