diff --git a/sysutils/rdiff-backup-devel/Makefile b/sysutils/rdiff-backup-devel/Makefile
index d4dadf0fa313..0a75bf4788fc 100644
--- a/sysutils/rdiff-backup-devel/Makefile
+++ b/sysutils/rdiff-backup-devel/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	rdiff-backup
 PORTVERSION=	1.3.3
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	sysutils
 MASTER_SITES=	SAVANNAH \
 		LOCAL/vd/${PORTNAME}${PKGNAMESUFFIX}
@@ -15,7 +15,7 @@ COMMENT=	Local/remote mirroring+incremental backup
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-LIB_DEPENDS=	librsync.so:net/librsync
+LIB_DEPENDS=	librsync.so:net/librsync1
 
 CONFLICTS=	rdiff-backup-[0-9]*
 
diff --git a/sysutils/rdiff-backup-devel/files/patch-librsyncmodule.c b/sysutils/rdiff-backup-devel/files/patch-librsyncmodule.c
new file mode 100644
index 000000000000..0cfdea09b65f
--- /dev/null
+++ b/sysutils/rdiff-backup-devel/files/patch-librsyncmodule.c
@@ -0,0 +1,15 @@
+--- _librsyncmodule.c			2009-03-16 15:36:21.000000000 +0100
++++ _librsyncmodule.c.librsync-1.0.0		2015-03-02 00:54:24.000000000 +0100
+@@ -59,8 +59,13 @@
+   if (sm == NULL) return NULL;
+   sm->x_attr = NULL;
+ 
++#ifdef RS_DEFAULT_STRONG_LEN
+   sm->sig_job = rs_sig_begin((size_t)blocklen,
+ 							 (size_t)RS_DEFAULT_STRONG_LEN);
++#else
++  sm->sig_job = rs_sig_begin((size_t)blocklen,
++							 (size_t)8, RS_MD4_SIG_MAGIC);
++#endif
+   return (PyObject*)sm;
+ }