diff --git a/configure.in b/configure.in
index 375c023..26485ac 100644
--- a/configure.in
+++ b/configure.in
@@ -70,7 +70,7 @@ AC_CHECK_HEADERS(sys/time.h paths.h signal.h)
 
 dnl LIBRARY FUNCTIONS
 
-AC_CHECK_FUNCS(arc4random gettimeofday random srandomdev)
+AC_CHECK_FUNCS(arc4random geteuid gettimeofday random srandomdev)
 AC_REPLACE_FUNCS(getopt strlcat strlcpy)
 if test x"$ac_cv_header_signal_h" = "xyes"; then
 	AC_CHECK_FUNCS([sigaction], [