diff --git a/configure.ac b/configure.ac
index d09cca000..bb0bd95dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -276,7 +276,7 @@ AC_CHECK_HEADER([regex.h],
 # Check for presense of various functions
 AC_CHECK_FUNCS( wcsdup wcsndup wcslen wcscasecmp wcsncasecmp gettext fwprintf )
 AC_CHECK_FUNCS( futimes wcwidth wcswidth getopt_long wcstok fputwc fgetwc )
-AC_CHECK_FUNCS( wcstol dcgettext wcslcat wcslcpy )
+AC_CHECK_FUNCS( wcstol dcgettext wcslcat wcslcpy lrand48_r)
 
 # Here follows a list of small programs used to test for various
 # features that Autoconf doesn't tell us about
diff --git a/fallback.c b/fallback.c
index 3024ae2c6..1ed4a477b 100644
--- a/fallback.c
+++ b/fallback.c
@@ -1005,3 +1005,18 @@ int del_curterm(TERMINAL *oterm)
 
 #endif
 
+#ifndef HAVE_LRAND48_R
+
+int lrand48_r(struct drand48_data *buffer, long int *result)
+{
+	*result = rand_r( &buffer->seed );	
+	return 0;
+}
+
+int srand48_r(long int seedval, struct drand48_data *buffer)
+{
+	buffer->seed = (int)seedval;
+	return 0;
+}
+
+#endif
diff --git a/fallback.h b/fallback.h
index d54477e58..7a245f47a 100644
--- a/fallback.h
+++ b/fallback.h
@@ -292,4 +292,27 @@ size_t wcslcpy( wchar_t *dst, const wchar_t *src, size_t siz );
 int del_curterm(TERMINAL *oterm);
 #endif
 
+#ifndef HAVE_LRAND48_R
+
+/**
+   Datastructure for the lrand48_r fallback implementation.
+*/
+struct drand48_data
+{
+	unsigned int seed;
+}
+	;
+
+/**
+   Fallback implementation of lrand48_r. Internally uses rand_r, so it is pretty weak.
+*/
+int lrand48_r(struct drand48_data *buffer, long int *result);
+/**
+   Fallback implementation of srand48_r
+*/
+int srand48_r(long int seedval, struct drand48_data *buffer);
+
 #endif
+
+#endif
+