diff --git a/acinclude.m4 b/acinclude.m4
index 4ab166850431717959eda795e83f6c49a54385a7..5149c17a712c147ca51afd764dcc0bdf2ffa515d 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -202,7 +202,7 @@ AC_DEFUN([CURL_FUNC_GETNAMEINFO_ARGTYPES], [
   AC_CACHE_CHECK([types of arguments for getnameinfo],
     [curl_cv_func_getnameinfo_args], [
     curl_cv_func_getnameinfo_args="unknown"
-    for gni_arg1 in 'const struct sockaddr *' 'struct sockaddr *' 'void *' 'char *'; do
+    for gni_arg1 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
       for gni_arg2 in 'socklen_t' 'size_t' 'int'; do
         for gni_arg46 in 'size_t' 'int' 'socklen_t'; do
           for gni_arg7 in 'int' 'unsigned int'; do
diff --git a/ares/acinclude.m4 b/ares/acinclude.m4
index 3b05720412fb04d3203a854faac966e6bef951f8..56391fc319cdfad2b5dc62dd5ff6cd0ae11ea9bd 100644
--- a/ares/acinclude.m4
+++ b/ares/acinclude.m4
@@ -202,7 +202,7 @@ AC_DEFUN([CURL_FUNC_GETNAMEINFO_ARGTYPES], [
   AC_CACHE_CHECK([types of arguments for getnameinfo],
     [curl_cv_func_getnameinfo_args], [
     curl_cv_func_getnameinfo_args="unknown"
-    for gni_arg1 in 'const struct sockaddr *' 'struct sockaddr *' 'void *' 'char *'; do
+    for gni_arg1 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
       for gni_arg2 in 'socklen_t' 'size_t' 'int'; do
         for gni_arg46 in 'size_t' 'int' 'socklen_t'; do
           for gni_arg7 in 'int' 'unsigned int'; do