-PREFIX := debian/tmp
-docdir := $(PREFIX)/usr/doc/$(package)
-libdir := $(PREFIX)/usr/lib/$(package)
-sharedir := $(PREFIX)/usr/share/$(package)
-menudir := $(PREFIX)/usr/lib/menu
-docbasedir := $(PREFIX)/usr/share/doc-base
+prefix := debian/tmp
+docdir := $(prefix)/usr/doc/$(package)
+libdir := $(prefix)/usr/lib/$(package)
+sharedir := $(prefix)/usr/share/$(package)
+menudir := $(prefix)/usr/lib/menu
+docbasedir := $(prefix)/usr/share/doc-base