diff --git a/lib/getters.js b/lib/getters.js
index 42e07bb..bd68abc 100755
--- a/lib/getters.js
+++ b/lib/getters.js
@@ -280,9 +280,16 @@ module.exports = function (gm) {
     // We only want the size of the first frame.
     // Each frame is separated by a space.
     var split = val.split(" ").shift().split("x");
-    o.size = {
-        width:  parseInt(split[0], 10)
-      , height: parseInt(split[1], 10)
+    var width = parseInt(split[0], 10);
+    var height = parseInt(split[1], 10);
+    if (o.size && o.size.width && o.size.height) {
+      if (width > o.size.width) o.size.width = width;
+      if (height > o.size.height) o.size.height = height;
+    } else {
+      o.size = {
+        width:  width,
+        height: height
+      }
     }
   };
 
diff --git a/test/393.js b/test/393.js
new file mode 100644
index 0000000..b339b0a
--- /dev/null
+++ b/test/393.js
@@ -0,0 +1,20 @@
+'use strict';
+
+var assert = require('assert');
+var fs = require('fs');
+var path = require('path');
+
+module.exports = function (_, dir, finish, gm) {
+  if (!gm.integration)  return finish();
+
+  var imagePath = path.join(__dirname, './fixtures/nyancat.gif');
+  var inputStream = fs.createReadStream(imagePath);
+  gm(inputStream)
+    .identify({ bufferStream: true }, function(err, value) {
+      if (err) return finish(err);
+      var size = value.size;
+      assert.equal(400, size.width);
+      assert.equal(400, size.height);
+      finish();
+    });
+}
diff --git a/test/fixtures/nyancat.gif b/test/fixtures/nyancat.gif
new file mode 100644
index 0000000..fd2c77f
Binary files /dev/null and b/test/fixtures/nyancat.gif differ