diff --git a/Makefile b/Makefile
index bd69bf8..af616e4 100644
--- a/Makefile
+++ b/Makefile
@@ -84,6 +84,7 @@ dist:
 		$(PACKAGE)-$(VERSION)/src/project.conf \
 		$(PACKAGE)-$(VERSION)/src/modems/debug.c \
 		$(PACKAGE)-$(VERSION)/src/modems/hayes.c \
+		$(PACKAGE)-$(VERSION)/src/modems/purple.c \
 		$(PACKAGE)-$(VERSION)/src/modems/sofia.c \
 		$(PACKAGE)-$(VERSION)/src/modems/hayes.h \
 		$(PACKAGE)-$(VERSION)/src/modems/Makefile \