diff --git a/Makefile b/Makefile
index 19ee1fa..9b5b759 100644
--- a/Makefile
+++ b/Makefile
@@ -40,6 +40,7 @@ dist:
 		$(PACKAGE)-$(VERSION)/include/Makefile \
 		$(PACKAGE)-$(VERSION)/include/project.conf \
 		$(PACKAGE)-$(VERSION)/include/Database/database.h \
+		$(PACKAGE)-$(VERSION)/include/Database/engine.h \
 		$(PACKAGE)-$(VERSION)/include/Database/Makefile \
 		$(PACKAGE)-$(VERSION)/include/Database/project.conf \
 		$(PACKAGE)-$(VERSION)/src/database.c \
diff --git a/include/Database/Makefile b/include/Database/Makefile
index 4af2454..a3aff3d 100644
--- a/include/Database/Makefile
+++ b/include/Database/Makefile
@@ -16,8 +16,11 @@ distclean: clean
 install:
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Database
 	$(INSTALL) -m 0644 -- database.h $(DESTDIR)$(INCLUDEDIR)/Database/database.h
+	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Database
+	$(INSTALL) -m 0644 -- engine.h $(DESTDIR)$(INCLUDEDIR)/Database/engine.h
 
 uninstall:
 	$(RM) -- $(DESTDIR)$(INCLUDEDIR)/Database/database.h
+	$(RM) -- $(DESTDIR)$(INCLUDEDIR)/Database/engine.h
 
 .PHONY: all clean distclean install uninstall
diff --git a/include/Database/project.conf b/include/Database/project.conf
index 59b9eb8..c63e374 100644
--- a/include/Database/project.conf
+++ b/include/Database/project.conf
@@ -1,5 +1,8 @@
-includes=database.h
+includes=database.h,engine.h
 dist=Makefile
 
 [database.h]
 install=$(INCLUDEDIR)/Database
+
+[engine.h]
+install=$(INCLUDEDIR)/Database