--- backend/Makefile.in
+++ backend/Makefile.in
@@ -1753,7 +1753,7 @@
 AM_CFLAGS = @AM_CFLAGS@
 AM_CPPFLAGS = @AM_CPPFLAGS@ -I. -I$(srcdir) -I$(top_builddir)/include \
 	-I$(top_srcdir)/include $(USB_CFLAGS) \
-	-DLIBDIR="\"$(libdir)/sane\""
+	-DLIBDIR="\"$(libdir)/freetz/sane\""
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AM_LDFLAGS = @AM_LDFLAGS@ $(STRICT_LDFLAGS)
 AR = @AR@