diff --git a/config.mk b/config.mk
index 3609719..da2b6b8 100644
--- a/config.mk
+++ b/config.mk
@@ -5,15 +5,16 @@ VERSION = 0.3
 # Customize below to fit your system
 
 # paths
-PREFIX ?= /usr
+PREFIX ?= /
 MANPREFIX = ${PREFIX}/share/man
+DESTDIR = $(MUFS)
 
 # includes and libs
 INCS = -I. -I/usr/include
 LIBS = -L/usr/lib -lc
 
 # flags
-CPPFLAGS = -DVERSION=\"${VERSION}\"
+CPPFLAGS = -DVERSION=\"${VERSION}\" $(CXXFLAGS)
 CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
 LDFLAGS = -g -static ${LIBS}
 #LDFLAGS = -s ${LIBS}