1 files changed, 3 insertions, 2 deletions
diff --git a/src/env.c b/src/env.c
index a753c140..92cb4150 100644
--- a/src/env.c
+++ b/src/env.c
@@ -245,8 +245,9 @@ serd_env_expand_node(const SerdEnv*  env,
 		}
 		const size_t len = prefix.len + suffix.len;
 		uint8_t*     buf = (uint8_t*)malloc(len + 1);
-		SerdNode     ret = { buf, len, serd_strlen(buf, NULL, NULL), 0, SERD_URI };
-		snprintf((char*)buf, ret.n_bytes + 1, "%s%s", prefix.buf, suffix.buf);
+		SerdNode     ret = { buf, len, 0, 0, SERD_URI };
+		snprintf((char*)buf, len + 1, "%s%s", prefix.buf, suffix.buf);
+		ret.n_chars = serd_strlen(buf, NULL, NULL);
 		return ret;
 	}
 	case SERD_URI: {