diff --git a/src/examples/fileserver_example.c b/src/examples/fileserver_example.c
index b9eeed57..9fe689d1 100644
--- a/src/examples/fileserver_example.c
+++ b/src/examples/fileserver_example.c
@@ -43,8 +43,9 @@ ahc_echo (void *cls,
           struct MHD_Connection *connection,
           const char *url,
           const char *method,
+          const char *version,
           const char *upload_data,
-          const char *version, unsigned int *upload_data_size, void **ptr)
+	  size_t *upload_data_size, void **ptr)
 {
   static int aptr;
   struct MHD_Response *response;
diff --git a/src/examples/fileserver_example_external_select.c b/src/examples/fileserver_example_external_select.c
index 0b3a5a8b..b863fcbf 100644
--- a/src/examples/fileserver_example_external_select.c
+++ b/src/examples/fileserver_example_external_select.c
@@ -43,8 +43,9 @@ ahc_echo (void *cls,
           struct MHD_Connection *connection,
           const char *url,
           const char *method,
+          const char *version,
           const char *upload_data,
-          const char *version, unsigned int *upload_data_size, void **ptr)
+	  size_t *upload_data_size, void **ptr)
 {
   static int aptr;
   struct MHD_Response *response;
diff --git a/src/examples/https_fileserver_example.c b/src/examples/https_fileserver_example.c
index becf5faa..387d4e0b 100644
--- a/src/examples/https_fileserver_example.c
+++ b/src/examples/https_fileserver_example.c
@@ -111,8 +111,9 @@ http_ahc (void *cls,
           struct MHD_Connection *connection,
           const char *url,
           const char *method,
+          const char *version,
           const char *upload_data,
-          const char *version, size_t *upload_data_size, void **ptr)
+	  size_t *upload_data_size, void **ptr)
 {
   static int aptr;
   struct MHD_Response *response;