diff --git a/src/Makefile b/src/Makefile
index 245868a8..237b3ae4 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -16,6 +16,10 @@ default: ezfio
 
 veryclean:
 	$(QPACKAGE_ROOT)/scripts/clean_modules.sh $(ALL_MODULES)
+	# Define the dict [type in EZFIO.cfg] = ocaml type , f90 type
+	# If you change the qptypes_generator.ml, you need to rm this
+	# For simplicity add this to the veryclean rule
+	rm $(QPACKAGE_ROOT)/scripts/ezfio_interface/fancy_type.p
 
 $(ALL_MODULES): ezfio
 	$(QPACKAGE_ROOT)/scripts/build_modules.sh $@