diff --git a/acinclude.m4 b/acinclude.m4
index 8f082340..e69de29b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1 +0,0 @@
-ifdef(AC_FUNC_STRTOD,,`define([AC_FUNC_STRTOD],[AM_FUNC_STRTOD]'))
\ No newline at end of file
diff --git a/configure.in b/configure.in
index 3f773364..19339dc6 100644
--- a/configure.in
+++ b/configure.in
@@ -22,7 +22,7 @@ AC_PROG_MAKE_SET
 AC_PROG_AWK
 
 AC_FUNC_GETLOADAVG(plugins)
-AC_FUNC_STRTOD
+ifdef(AC_FUNC_STRTOD,AC_FUNC_STRTOD,AM_FUNC_STRTOD)
 dnl AM_WITH_REGEX
 AC_PROG_RANLIB