diff --git a/src/Makefile b/src/Makefile
index b1d513d..4436ff9 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,6 +3,7 @@ TARGETS	= download surfer
 PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
+SBINDIR	= $(PREFIX)/sbin
 CC	?= cc
 CPPFLAGSF?=
 CPPFLAGS?=
diff --git a/tools/Makefile b/tools/Makefile
index e0284e4..66875d8 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -2,6 +2,7 @@ TARGETS	= helper
 PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
+SBINDIR	= $(PREFIX)/sbin
 CC	?= cc
 CPPFLAGSF= -I ../src
 CPPFLAGS?=