--- Makefile.in	2010-02-28 19:18:31.000000000 +0100
+++ Makefile.in.neu	2011-04-02 23:01:40.433119056 +0200
@@ -733,9 +733,10 @@
 	    fi \
 	  done \
 	fi
-	desktop-file-install --vendor= --dir=$(datadir)/applications sudoku-savant.desktop
-	install --target-directory=$(datadir)/pixmaps sudoku-savant.png
-
+	desktop-file-install --vendor= --dir=$(DESTDIR)$(datadir)/applications sudoku-savant.desktop
+	install -d $(DESTDIR)$(datadir)/pixmaps
+	install --target-directory=$(DESTDIR)$(datadir)/pixmaps sudoku-savant.png
+  
 dist-hook:
 	if test -d pixmaps; then \
 	  mkdir $(distdir)/pixmaps; \