1 files changed, 1 insertions, 1 deletions
diff --git a/src/node.c b/src/node.c
index d3136575..655da1d1 100644
--- a/src/node.c
+++ b/src/node.c
@@ -359,7 +359,7 @@ encode_chunk(uint8_t out[4], const uint8_t in[3], size_t n_in)
 SerdNode
 serd_node_new_blob(const void* buf, size_t size, bool wrap_lines)
 {
-	const size_t len  = ((size + 2) / 3) * 4 + (wrap_lines ? (size / 57) : 0);
+	const size_t len  = (size + 2) / 3 * 4 + (wrap_lines * ((size - 1) / 57));
 	uint8_t*     str  = (uint8_t*)calloc(1, len + 2);
 	SerdNode     node = { str, len, len, 0, SERD_LITERAL };
 	for (size_t i = 0, j = 0; i < size; i += 3, j += 4) {