diff --git a/.github/workflows/makefile.yml b/.github/workflows/makefile.yml
index 6353900..e39a720 100644
--- a/.github/workflows/makefile.yml
+++ b/.github/workflows/makefile.yml
@@ -69,7 +69,8 @@ jobs:
             keyutils-dev \
             libnl3-dev \
             glib-dev \
-            linux-headers
+            linux-headers \
+            tar
 
       - name: Configure
         run: |
diff --git a/systemd/Makefile.am b/systemd/Makefile.am
index d2f8e25..d6435ad 100644
--- a/systemd/Makefile.am
+++ b/systemd/Makefile.am
@@ -24,5 +24,5 @@ MAINTAINERCLEANFILES	= Makefile.in
 if INSTALL_SYSTEMD
 install-data-hook: $(unit_files)
 	mkdir -p $(DESTDIR)/$(unitdir)
-	cp $(unit_files) $(DESTDIR)/$(unitdir)
+	cp $(addprefix $(srcdir)/,$(unit_files)) $(DESTDIR)/$(unitdir)
 endif