diff --git a/packages/sysutils/systemd/patches/systemd-191-buildfix.patch b/packages/sysutils/systemd/patches/systemd-191-buildfix.patch
new file mode 100644
index 0000000000..3034e20ca9
--- /dev/null
+++ b/packages/sysutils/systemd/patches/systemd-191-buildfix.patch
@@ -0,0 +1,20 @@
+From e2c8b07dcb50c2adf64cdfb22e4a496fc76576fb Mon Sep 17 00:00:00 2001
+From: Lennart Poettering <lennart@poettering.net>
+Date: Fri, 21 Sep 2012 22:16:13 +0000
+Subject: journal: bring mmap cache prototype in sync
+
+---
+diff --git a/src/journal/mmap-cache.h b/src/journal/mmap-cache.h
+index de34634..0c42fb8 100644
+--- a/src/journal/mmap-cache.h
++++ b/src/journal/mmap-cache.h
+@@ -31,6 +31,6 @@ MMapCache* mmap_cache_new(void);
+ MMapCache* mmap_cache_ref(MMapCache *m);
+ MMapCache* mmap_cache_unref(MMapCache *m);
+ 
+-int mmap_cache_get(MMapCache *m, int fd, int prot, unsigned context, bool keep_always, uint64_t offset, uint64_t size, struct stat *st, void **ret);
++int mmap_cache_get(MMapCache *m, int fd, int prot, unsigned context, bool keep_always, uint64_t offset, size_t size, struct stat *st, void **ret);
+ void mmap_cache_close_fd(MMapCache *m, int fd);
+ void mmap_cache_close_context(MMapCache *m, unsigned context);
+--
+cgit v0.9.0.2-2-gbebe