diff --git a/static/js/services/datafile-service.js b/static/js/services/datafile-service.js
index cbb458fa5..6461a8e99 100644
--- a/static/js/services/datafile-service.js
+++ b/static/js/services/datafile-service.js
@@ -133,7 +133,9 @@ angular.module('quay').factory('DataFileService', [function() {
 
   dataFileService.readDataArrayAsPossibleArchive = function(buf, success, failure) {
     dataFileService.tryAsZip_(buf, success, function() {
-      dataFileService.tryAsTarGz_(buf, success, failure);
+      dataFileService.tryAsTarGz_(buf, success, function() {
+        dataFileService.tryAsTar_(buf, success, failure);
+      });
     });
   };
 
diff --git a/static/js/services/dockerfile-service.js b/static/js/services/dockerfile-service.js
index c6f1d199f..42e6c5a6c 100644
--- a/static/js/services/dockerfile-service.js
+++ b/static/js/services/dockerfile-service.js
@@ -87,7 +87,10 @@ angular.module('quay').factory('DockerfileService', ['DataFileService', 'Config'
       var dataArray = reader.result;
       DataFileService.readDataArrayAsPossibleArchive(dataArray, function(files) {
         processFiles(files, dataArray, success, failure);
-      }, failure);
+      }, function() {
+        // Not an archive. Read directly as a single file.
+        processFiles([], dataArray, success, failure);
+      });
     };
 
     reader.onerror = failure;