diff --git a/test/adolctest.cc b/test/adolctest.cc
index 550f61cc19182de52a777271f60ea8b67778854f..2ae115f3157b50917d5e14b27f8c85676da3f665 100644
--- a/test/adolctest.cc
+++ b/test/adolctest.cc
@@ -587,6 +587,6 @@ int main (int argc, char *argv[]) try
     // //////////////////////////////
  } catch (Exception& e) {
 
-    std::cout << e << std::endl;
+    std::cout << e.what() << std::endl;
 
  }
diff --git a/test/localgfetestfunctiontest.cc b/test/localgfetestfunctiontest.cc
index 2890f50e383039173b7d4581a44368bd93525866..a57aa3f14ad0652a78a85524dfae9c4afeb301ae 100644
--- a/test/localgfetestfunctiontest.cc
+++ b/test/localgfetestfunctiontest.cc
@@ -84,6 +84,6 @@ int main() try
     test<CrazyManifold, 2>();
 
 } catch (Exception& e) {
-    std::cout << e << std::endl;
+    std::cout << e.what() << std::endl;
 }
 
diff --git a/test/rotationtest.cc b/test/rotationtest.cc
index 7b51c0a049f6463c74aae36205c72e20989b574b..36e8b8d3bc21b0a5c2e0dc566053f5018580b6d5 100644
--- a/test/rotationtest.cc
+++ b/test/rotationtest.cc
@@ -270,6 +270,6 @@ int main (int argc, char *argv[]) try
 
  } catch (Exception& e) {
 
-    std::cout << e << std::endl;
+    std::cout << e.what() << std::endl;
 
  }