diff --git a/example/example.c b/example/example.c
index 378ec68..49ada62 100644
--- a/example/example.c
+++ b/example/example.c
@@ -36,10 +36,10 @@ static const char *index_page = "index.html";
 static void on_request(struct uh_connection *conn)
 {
     if (!serve_file) {
-        const struct uh_str path = conn->get_path(conn);
-        const struct uh_str query = conn->get_query(conn);
-        const struct uh_str ua = conn->get_header(conn, "User-Agent");
-        const struct uh_str body = conn->get_body(conn);
+        struct uh_str path = conn->get_path(conn);
+        struct uh_str query = conn->get_query(conn);
+        struct uh_str ua = conn->get_header(conn, "User-Agent");
+        struct uh_str body = conn->get_body(conn);
 
         conn->send_head(conn, HTTP_STATUS_OK, -1, NULL);
         conn->chunk_printf(conn, "I'm Libuhttpd: %s\n", UHTTPD_VERSION_STRING);
diff --git a/src/connection.c b/src/connection.c
index 796ffbc..4191d63 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -173,7 +173,7 @@ static const char *conn_get_method_str(struct uh_connection *conn)
     return http_method_str(conn->parser.method);
 }
 
-static const struct uh_str conn_get_path(struct uh_connection *conn)
+static struct uh_str conn_get_path(struct uh_connection *conn)
 {
     struct http_parser_url *u = &conn->url_parser;
     struct uh_request *req = &conn->req;
@@ -185,7 +185,7 @@ static const struct uh_str conn_get_path(struct uh_connection *conn)
     return path;
 }
 
-static const struct uh_str conn_get_query(struct uh_connection *conn)
+static struct uh_str conn_get_query(struct uh_connection *conn)
 {
     struct http_parser_url *u = &conn->url_parser;
     struct uh_request *req = &conn->req;
@@ -200,7 +200,7 @@ static const struct uh_str conn_get_query(struct uh_connection *conn)
     return query;
 }
 
-static const struct uh_str conn_get_header(struct uh_connection *conn, const char *name)
+static struct uh_str conn_get_header(struct uh_connection *conn, const char *name)
 {
     struct uh_request *req = &conn->req;
     int name_len = strlen(name);
@@ -222,7 +222,7 @@ static const struct uh_str conn_get_header(struct uh_connection *conn, const cha
     return value;
 }
 
-static const struct uh_str conn_get_body(struct uh_connection *conn)
+static struct uh_str conn_get_body(struct uh_connection *conn)
 {
     return conn->req.body;
 }
diff --git a/src/connection.h b/src/connection.h
index 8a02f91..3230983 100644
--- a/src/connection.h
+++ b/src/connection.h
@@ -98,10 +98,10 @@ struct uh_connection {
     void (*chunk_end)(struct uh_connection *conn);
     enum http_method (*get_method)(struct uh_connection *conn);
     const char *(*get_method_str)(struct uh_connection *conn);
-    const struct uh_str (*get_path)(struct uh_connection *conn);
-    const struct uh_str (*get_query)(struct uh_connection *conn);
-    const struct uh_str (*get_header)(struct uh_connection *conn, const char *name);
-    const struct uh_str (*get_body)(struct uh_connection *conn);
+    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);
+    struct uh_str (*get_body)(struct uh_connection *conn);
 };
 
 struct uh_connection *uh_new_connection(struct uh_server *srv, int sock, struct sockaddr_in *addr);