diff --git a/src/node.c b/src/node.c
index c25e06a..aa14416 100644
--- a/src/node.c
+++ b/src/node.c
@@ -173,6 +173,8 @@ serd_node_new_file_uri(const uint8_t* path,
 			serd_chunk_sink("/", 1, &chunk);
 		} else if (path[i] == '%') {
 			serd_chunk_sink("%%", 2, &chunk);
+		} else if (path[i] == '#') {
+			serd_chunk_sink("%23", 3, &chunk);
 		} else if (!escape || is_uri_path_char(path[i])) {
 			serd_chunk_sink(path + i, 1, &chunk);
 		} else {