diff --git a/core/io/http_client.cpp b/core/io/http_client.cpp
index f2e8442df0a..521958c8fed 100644
--- a/core/io/http_client.cpp
+++ b/core/io/http_client.cpp
@@ -691,8 +691,10 @@ PoolByteArray HTTPClient::read_response_body_chunk() {
 					body_left -= rec;
 				}
 			}
-			if (err != OK)
+			if (err != OK) {
+				ret.resize(_offset);
 				break;
+			}
 		}
 	}