diff --git a/README.md b/README.md
index ab06a1d..d0598e8 100644
--- a/README.md
+++ b/README.md
@@ -177,6 +177,11 @@ Release process:
 1. test installing the rock from LuaRocks
 
 
+### 1.x.x unreleased
+
+- fix: when a "blob" type has no location specified, then use it as the body, same as with other types.
+  [120](https://github.com/Kong/lua-resty-aws/pull/120)
+
 ### 1.5.0 (20-May-2024)
 
 - feat: decode AWS api response json body with array metatable
diff --git a/src/resty/aws/request/build.lua b/src/resty/aws/request/build.lua
index d2bcef2..22b78f6 100644
--- a/src/resty/aws/request/build.lua
+++ b/src/resty/aws/request/build.lua
@@ -187,8 +187,6 @@ local function build_request(operation, config, params)
         if config.protocol == "query" then
           -- no location specified, but protocol is query, so it goes into query
           request.query[name] = param_value
-        elseif member_config.type == "blob" then
-          request.body = param_value
         else
           -- nowhere else to go, so put it in the body (for json and xml)
           body_tbl[name] = param_value