diff --git a/src/http/modules/ngx_http_grpc_module.c b/src/http/modules/ngx_http_grpc_module.c
index 5ec45e28c..b6be9b874 100644
--- a/src/http/modules/ngx_http_grpc_module.c
+++ b/src/http/modules/ngx_http_grpc_module.c
@@ -2410,6 +2410,7 @@ ngx_http_grpc_parse_header(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx,
         }
 
         ctx->padding = 0;
+        ctx->frame_state = state;
     }
 
     if (state < sw_fragment) {