diff --git a/package/mono/0004-fixing-initialization-of-have-vasprintf.patch b/package/mono/0004-fixing-initialization-of-have-vasprintf.patch
new file mode 100644
index 0000000000..e01a6f06a7
--- /dev/null
+++ b/package/mono/0004-fixing-initialization-of-have-vasprintf.patch
@@ -0,0 +1,23 @@
+From 1c3d615d93b20d10c2729478d5104977dd9af23f Mon Sep 17 00:00:00 2001
+From: Angelo Compagnucci <angelo.compagnucci@gmail.com>
+Date: Wed, 5 Aug 2015 12:59:45 +0200
+Subject: [PATCH] Fixing initialization of have_vasprintf
+
+This patch initialize properly have_vasprintf in case vasprint function is found.
+Solves multiple definition of `vasprintf' error in case vasprint is not properly detected.
+---
+ eglib/configure.ac | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/eglib/configure.ac b/eglib/configure.ac
+index 5281419..4bf91e5 100644
+--- a/eglib/configure.ac
++++ b/eglib/configure.ac
+@@ -135,6 +135,7 @@ AC_CHECK_SIZEOF(void *)
+ AC_CHECK_SIZEOF(long)
+ AC_CHECK_SIZEOF(long long)
+ AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf)
++AC_CHECK_FUNC(vasprintf, have_vasprintf=yes)
+ AC_CHECK_FUNCS(getrlimit)
+ 
+ #