diff --git a/Makefile.in b/Makefile.in
index b0fcdc0..a4e8a02 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -67,6 +67,7 @@
 	@echo $(DONE_MESSAGE)
 
 distclean: $(TECHS_VERYCLEAN)
+	${RM} -rf sources
 	@echo $(DONE_MESSAGE)
 
 #---------------------------------------------------
@@ -85,4 +86,4 @@
 veryclean-sky130:
 	(cd sky130 && ${MAKE} veryclean)
 
-#---------------------------------------------------
\ No newline at end of file
+#---------------------------------------------------