diff --git a/security/samhain/Makefile b/security/samhain/Makefile
index 6638f656c070..c54b2e30c0cb 100644
--- a/security/samhain/Makefile
+++ b/security/samhain/Makefile
@@ -14,7 +14,7 @@ LICENSE=	GPLv2
 BROKEN_mips=		fails to configure: error: Could not find the libwrap library
 BROKEN_mips64=		fails to configure: error: Could not find the libwrap library
 
-USES=			sbrk shebangfix
+USES=			shebangfix
 SHEBANG_FILES=		scripts/samhainadmin-gpg.pl.in \
 			scripts/samhainadmin-sig.pl.in
 
diff --git a/security/samhain/files/patch-src_dnmalloc.c b/security/samhain/files/patch-src_dnmalloc.c
new file mode 100644
index 000000000000..3ea627f5bf98
--- /dev/null
+++ b/security/samhain/files/patch-src_dnmalloc.c
@@ -0,0 +1,21 @@
+--- src/dnmalloc.c.orig
++++ src/dnmalloc.c
+@@ -660,8 +660,18 @@
+   sample version for pre-OSX macos.
+ */
+ 
++#ifdef __FreeBSD__
++static void *nosbrk(ptrdiff_t len __unused) {
++  return MORECORE_FAILURE;
++}
++#endif
++
+ #ifndef MORECORE
++#ifdef __FreeBSD__
++#define MORECORE nosbrk
++#else
+ #define MORECORE sbrk
++#endif
+ #endif
+ 
+