diff --git a/configure.in b/configure.in
index b209d19a..a7f7b0ef 100644
--- a/configure.in
+++ b/configure.in
@@ -572,7 +572,7 @@ AC_TRY_COMPILE([#include <sys/time.h>],
                               AC_DEFINE(NEED_GETTIMEOFDAY,1,[Define if gettimeofday is needed])))
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS(memmove select socket strdup strstr strtod strtol strtoul, floor)
+AC_CHECK_FUNCS(memmove select socket strdup strstr strtod strtol strtoul floor)
 
 AC_MSG_CHECKING(return type of socket size)
 AC_TRY_COMPILE([#include <stdlib.h>