diff --git a/acinclude.m4 b/acinclude.m4
index fcc2caf36..f959e3d43 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -3224,7 +3224,7 @@ AC_DEFUN([CURL_MAC_CFLAGS], [
     AC_MSG_CHECKING([for *version-min in CFLAGS])
     min=""
     if test -z "$(echo $CFLAGS | grep m.*os.*-version-min)"; then
-      min="-mmacosx-version-min=10.5"
+      min="-mmacosx-version-min=10.8"
       CFLAGS="$CFLAGS $min"
     fi
     if test -z "$min"; then