diff --git a/example/handler.c b/example/handler.c
index a37a00f..1de62bc 100644
--- a/example/handler.c
+++ b/example/handler.c
@@ -62,13 +62,7 @@ void echo_handler(struct uh_connection *conn, int event)
 void upload_handler(struct uh_connection *conn, int event)
 {
     if (event == UH_EV_HEAD_COMPLETE) {
-        struct uh_str str = conn->get_header(conn, "Content-Length");
-        int content_length;
-        char buf[128];
-
-        sprintf(buf, "%.*s\n", (int)str.len, str.p);
-
-        content_length = atoi(buf);
+        uint64_t content_length = conn->get_content_length(conn);
 
         if (content_length > 1024 * 1024 * 1024) {
             conn->error(conn, HTTP_STATUS_INTERNAL_SERVER_ERROR, "Too big");
diff --git a/src/connection.c b/src/connection.c
index d5f737f..ce5d593 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -305,6 +305,13 @@ static struct uh_str conn_get_header(struct uh_connection *conn, const char *nam
     return value;
 }
 
+static uint64_t conn_get_content_length(struct uh_connection *conn)
+{
+    struct uh_connection_internal *conni = (struct uh_connection_internal *)conn;
+
+    return conni->parser.content_length;
+}
+
 static struct uh_str conn_get_body(struct uh_connection *conn)
 {
     struct uh_connection_internal *conni = (struct uh_connection_internal *)conn;
@@ -752,6 +759,7 @@ static void conn_init_cb(struct uh_connection *conn)
     conn->get_path = conn_get_path;
     conn->get_query = conn_get_query;
     conn->get_header = conn_get_header;
+    conn->get_content_length = conn_get_content_length;
     conn->get_body = conn_get_body;
     conn->extract_body = conn_extract_body;
 }
diff --git a/src/uhttpd.h b/src/uhttpd.h
index 2a6a4ef..32de6e1 100644
--- a/src/uhttpd.h
+++ b/src/uhttpd.h
@@ -75,6 +75,7 @@ struct uh_connection {
     struct uh_str (*get_path)(struct uh_connection *conn);
     struct uh_str (*get_query)(struct uh_connection *conn);
     struct uh_str (*get_header)(struct uh_connection *conn, const char *name);
+    uint64_t (*get_content_length)(struct uh_connection *conn);
     struct uh_str (*get_body)(struct uh_connection *conn);
     /* The remain body data will be discurd after this function called */
     struct uh_str (*extract_body)(struct uh_connection *conn);