diff --git a/Makefile b/Makefile
index e614ede89..7adad46f5 100644
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@
 default: all
 
 .DEFAULT:
-	cd src && $(MAKE) $@
+	$(MAKE) -C src $@
 
 install:
-	cd src && $(MAKE) $@
+	$(MAKE) -C src $@
 
 .PHONY: install
diff --git a/src/Makefile b/src/Makefile
index 5759a8092..38810d2d7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -55,7 +55,7 @@ else
 endif
 
 PREFIX?=/usr/local
-INSTALL_BIN=$(PREFIX)/bin
+INSTALL_BIN=$(DESTDIR)$(PREFIX)/bin
 INSTALL=install
 PKG_CONFIG?=pkg-config