diff --git a/Makefile b/Makefile
index b1b4dcd..91f3c36 100644
--- a/Makefile
+++ b/Makefile
@@ -114,6 +114,8 @@ dist:
 		$(PACKAGE)-$(VERSION)/src/modems/template.c \
 		$(PACKAGE)-$(VERSION)/src/modems/hayes.h \
 		$(PACKAGE)-$(VERSION)/src/modems/Makefile \
+		$(PACKAGE)-$(VERSION)/src/modems/hayes/command.h \
+		$(PACKAGE)-$(VERSION)/src/modems/hayes/quirks.h \
 		$(PACKAGE)-$(VERSION)/src/modems/osmocom.c \
 		$(PACKAGE)-$(VERSION)/src/modems/project.conf \
 		$(PACKAGE)-$(VERSION)/src/plugins/blacklist.c \
diff --git a/src/modems/project.conf b/src/modems/project.conf
index 0b7a5bf..531eeab 100644
--- a/src/modems/project.conf
+++ b/src/modems/project.conf
@@ -5,7 +5,7 @@ cflags_force=-W `pkg-config --cflags glib-2.0`
 cflags=-Wall -g -O2 -pedantic -fPIC
 ldflags_force=`pkg-config --libs glib-2.0`
 includes=hayes.h
-dist=Makefile,osmocom.c
+dist=Makefile,hayes/command.h,hayes/quirks.h,osmocom.c
 
 [debug]
 type=plugin