diff --git a/Rules.make.standalone b/Rules.make.standalone
index 30b449b..f428261 100644
--- a/Rules.make.standalone
+++ b/Rules.make.standalone
@@ -6,6 +6,7 @@ STEADPATH=./stead
 THEMESPATH=./themes
 GAMESPATH=./games
 ICONPATH=./icon
+DOCPATH=
 
 LUA_CFLAGS=$(shell pkg-config --cflags lua5.1)
 LUA_LFLAGS=$(shell pkg-config --libs lua5.1)
diff --git a/Rules.make.system b/Rules.make.system
index a0cc8de..c449db4 100644
--- a/Rules.make.system
+++ b/Rules.make.system
@@ -7,6 +7,7 @@ STEADPATH=$(DESTDIR)$(PREFIX)/share/stead
 THEMESPATH=$(STEADPATH)/themes
 GAMESPATH=$(STEADPATH)/games
 ICONPATH=$(DESTDIR)$(PREFIX)/share/pixmaps
+DOCPATH=$(DESTDIR)$(PREFIX)/share/doc/instead
 
 LUA_CFLAGS=$(shell pkg-config --cflags lua5.1)
 LUA_LFLAGS=$(shell pkg-config --libs lua5.1)
diff --git a/doc/Makefile b/doc/Makefile
index b93b0fc..8bbdc26 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -2,6 +2,5 @@ include ../Rules.make
 clean:
 all:
 install:
-	install -d -m0755 $(DESTDIR)$(PREFIX)/share/doc/instead
-	install -m0644 *.jpg *.html *.txt $(DESTDIR)$(PREFIX)/share/doc/instead
-
+	install -d -m0755 $(DOCPATH)
+	install -m0644 *.png *.html *.txt $(DOCPATH)