diff --git a/include/aws/http/response.h b/include/aws/http/response.h
index 81f5071..6ef0c20 100644
--- a/include/aws/http/response.h
+++ b/include/aws/http/response.h
@@ -116,7 +116,7 @@ enum class response_code {
     GATEWAY_TIMEOUT = 504,
     HTTP_VERSION_NOT_SUPPORTED = 505,
     VARIANT_ALSO_NEGOTIATES = 506,
-    INSUFFICIENT_STORAGE = 506,
+    INSUFFICIENT_STORAGE = 507,
     LOOP_DETECTED = 508,
     BANDWIDTH_LIMIT_EXCEEDED = 509,
     NOT_EXTENDED = 510,