diff --git a/configure.ac b/configure.ac
index 33c151e..d9390cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,6 +73,9 @@
 AC_PATH_PROG(DOXYGEN,doxygen,false)
 AM_CONDITIONAL(HAVE_DOXYGEN, test $DOXYGEN != false && test "x$doxygen" = "xyes")
 
+# check for syscal fallback on glibc < 2.25 - can be removed once glibc version requirement is bumped
+AC_CHECK_DECLS([SYS_getrandom], [], [], [[#include <sys/syscall.h>]])
+
 # The following test is taken from WebKit's webkit.m4
 saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fvisibility=hidden "