--- Makefile.orig	2019-07-11 16:45:26 UTC
+++ Makefile
@@ -71,7 +71,7 @@ clean:
 	rm -f *.o libBigWig.a libBigWig.so *.pico test/testLocal test/testRemote test/testWrite test/exampleWrite test/testRemoteManyContigs test/testBigBed test/testIterator example_output.bw
 
 install: libBigWig.a libBigWig.so
-	install -d $(prefix)/lib $(prefix)/include
-	install libBigWig.a $(prefix)/lib
-	install libBigWig.so $(prefix)/lib
-	install *.h $(prefix)/include
+	install -d $(prefix)/lib $(DESTDIR)$(prefix)/include
+	install libBigWig.a $(DESTDIR)$(prefix)/lib
+	install libBigWig.so $(DESTDIR)$(prefix)/lib
+	install *.h $(DESTDIR)$(prefix)/include
