diff --git a/GNUmakefile b/GNUmakefile
index f200641d49a..6a22e30b1a2 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -23,6 +23,7 @@ ifeq ($(PROFILE),debug)
 endif
 
 # Binaries
+INSTALL ?= $(shell command -v install)
 CARGO  ?= cargo
 CARGOFLAGS ?=
 RUSTC_ARCH ?= # should be empty except for cross-build, not --target $(shell rustc --print host-tuple)
@@ -71,7 +72,7 @@ OS ?= $(shell uname -s)
 # Windows does not allow symlink by default.
 # Allow to override LN for AppArmor.
 ifeq ($(OS),Windows_NT)
-	LN ?= ln -f
+	LN ?= $(shell command -v ln) -f
 endif
 LN ?= ln -sf