diff --git a/dist/aws-sdk-core-react-native.js b/dist/aws-sdk-core-react-native.js
index a814fecfdf..373191cf65 100644
--- a/dist/aws-sdk-core-react-native.js
+++ b/dist/aws-sdk-core-react-native.js
@@ -10901,6 +10901,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	      var Stream = AWS.util.stream.Stream;
 	      if (AWS.util.Buffer.isBuffer(value) || value instanceof Stream) return;
 	    }
+	    if (Blob && value instanceof Blob) return;
 
 	    var types = ['Buffer', 'Stream', 'File', 'Blob', 'ArrayBuffer', 'DataView'];
 	    if (value) {
diff --git a/dist/aws-sdk-react-native.js b/dist/aws-sdk-react-native.js
index 968d3babd6..05908eae27 100644
--- a/dist/aws-sdk-react-native.js
+++ b/dist/aws-sdk-react-native.js
@@ -11207,6 +11207,7 @@ return /******/ (function(modules) { // webpackBootstrap
 		      var Stream = AWS.util.stream.Stream;
 		      if (AWS.util.Buffer.isBuffer(value) || value instanceof Stream) return;
 		    }
+		    if (Blob && value instanceof Blob) return;
 
 		    var types = ['Buffer', 'Stream', 'File', 'Blob', 'ArrayBuffer', 'DataView'];
 		    if (value) {
diff --git a/lib/param_validator.js b/lib/param_validator.js
index ae6e922e4a..976f738058 100644
--- a/lib/param_validator.js
+++ b/lib/param_validator.js
@@ -243,6 +243,7 @@ AWS.ParamValidator = AWS.util.inherit({
       var Stream = AWS.util.stream.Stream;
       if (AWS.util.Buffer.isBuffer(value) || value instanceof Stream) return;
     }
+    if (Blob && value instanceof Blob) return;
 
     var types = ['Buffer', 'Stream', 'File', 'Blob', 'ArrayBuffer', 'DataView'];
     if (value) {