diff --git a/Makefile b/Makefile
index 6063771..0f31b5d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PREFIX := /usr/local
+PREFIX := ${DESTDIR}/usr
 PKG := gitlab.com/gitlab-org/gitaly
 BUILD_DIR := $(CURDIR)
 TARGET_DIR := $(BUILD_DIR)/_build