diff --git a/Makefile b/Makefile
index 3497d10..6ad14cd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-TOP_SOURCES := $(git ls-files | grep -vE 'README|Makefile|^config|^\.git|^\.travis' | grep -v /)
+TOP_SOURCES := $(shell git ls-files | grep -vE 'README|Makefile|^config|^\.git|^\.travis' | grep -v /)
 CONFIG_SOURCES := $(shell git ls-files config)
 TARGETS := \
 	$(patsubst %,$(HOME)/.%,$(TOP_SOURCES)) \
diff --git a/config/systemd/user/redshift.service.d/override.conf b/config/systemd/user/redshift.service.d/override.conf
new file mode 100644
index 0000000..78c79d3
--- /dev/null
+++ b/config/systemd/user/redshift.service.d/override.conf
@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=/home/me/.redshift-wrapper