--- vmaf-1.3.13/wrapper/Makefile.orig	2019-02-01 02:50:08.000000000 +0100
+++ vmaf-1.3.13/wrapper/Makefile	2019-02-14 20:59:39.477491325 +0100
@@ -9,6 +9,7 @@
 FEATURESRCDIR = $(TOP)/../feature/src
 PTOOLSDIR = $(TOP)/../ptools
 INSTALL_PREFIX = /usr/local
+LIBDIR = $(INSTALL_PREFIX)/lib
 INCLUDES += -I$(TOP)/../feature/src
 INCLUDES += -I$(TOP)/../feature/src/common
 
@@ -168,14 +169,14 @@
 
 .PHONY: install
 install:
-	mkdir -p $(DESTDIR)$(INSTALL_PREFIX)/lib
+	mkdir -p $(DESTDIR)$(LIBDIR)
 	mkdir -p $(DESTDIR)$(INSTALL_PREFIX)/include
 	mkdir -p $(DESTDIR)$(INSTALL_PREFIX)/share
-	mkdir -p $(DESTDIR)$(INSTALL_PREFIX)/lib/pkgconfig
-	cp $(LIBVMAF) $(DESTDIR)$(INSTALL_PREFIX)/lib/$(LIBVMAF)
+	mkdir -p $(DESTDIR)$(LIBDIR)/pkgconfig
+	cp $(LIBVMAF) $(DESTDIR)$(LIBDIR)/$(LIBVMAF)
 	cp src/libvmaf.h $(DESTDIR)$(INSTALL_PREFIX)/include/
 	cp -r ../model $(DESTDIR)$(INSTALL_PREFIX)/share/
-	cp libvmaf.pc $(DESTDIR)$(INSTALL_PREFIX)/lib/pkgconfig/
+	cp libvmaf.pc $(DESTDIR)$(LIBDIR)/pkgconfig/
 
 .PHONY: uninstall
 uninstall: