diff --git a/preprocessor b/preprocessor
index ef62bc6c5..a3e63101f 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit ef62bc6c505894ec6b92344281644369bc80b7ee
+Subproject commit a3e63101f4fcacbe6a4f3ed98849215cecda1e7d
diff --git a/tests/example1_macro.mod b/tests/example1_macro.mod
index 06a0fd918..a9567d517 100644
--- a/tests/example1_macro.mod
+++ b/tests/example1_macro.mod
@@ -161,3 +161,6 @@ stoch_simul;
 @#if "A" + f("B") != "ABC"
 @#error "Problem with String concatenation"
 @#endif
+
+@#echomacrovars(save)
+@#echomacrovars