diff --git a/ChangeLog b/ChangeLog
index a6d9017de..0182a3045 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2004-08-09  Andrew V. Samoilov  <sav@bcs.zp.ua>
 
+	* configure.ac: Add check for atoll().
+
 	* doc/mc.1.in (Extension File Edit): Document "directory" keyword.
 	* doc/ru/mc.1.in: Likewise.
 
diff --git a/configure.ac b/configure.ac
index c77274c95..f9430e60e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -170,7 +170,7 @@ dnl
 dnl Check availability of some functions 
 dnl 
 
-AC_CHECK_FUNCS([cfgetospeed getsid initgroups memcpy memmove memset \
+AC_CHECK_FUNCS([atoll cfgetospeed getsid initgroups memcpy memmove memset \
 		putenv setreuid setuid statfs strerror strftime \
 		sysconf tcgetattr tcsetattr truncate])