diff --git a/tests/network/approx8Test.cpp b/tests/network/approx8Test.cpp
index fafe9c99..b000cfcf 100644
--- a/tests/network/approx8Test.cpp
+++ b/tests/network/approx8Test.cpp
@@ -86,6 +86,7 @@ TEST_F(approx8Test, reaclib) {
     netIn.dt0 = 1e12;
 
     GraphNetwork network(composition);
+    network.exportToDot("Test.dot");
     NetOut netOut;
     netOut = network.evaluate(netIn);
     std::cout << netOut << std::endl;