diff --git a/Apps.Widn/Actions/QualityActions.cs b/Apps.Widn/Actions/QualityActions.cs
index 94ef60e..c9e80f7 100644
--- a/Apps.Widn/Actions/QualityActions.cs
+++ b/Apps.Widn/Actions/QualityActions.cs
@@ -157,6 +157,11 @@ private List<TranslationUnit> ExtractSegmentsFromXliff(Stream inputStream)
             {
                 var xliffDocument = XDocument.Load(reader);
 
+                if (xliffDocument.Root == null || xliffDocument.Root.Name.LocalName.ToLower() != "xliff")
+                {
+                    throw new PluginMisconfigurationException("Invalid file format. The provided file does not appear to be a valid XLIFF file. Please check the input file");
+                }
+
                 XNamespace ns = xliffDocument.Root.GetDefaultNamespace();
 
                 var transUnits = xliffDocument.Descendants(ns + "trans-unit");
diff --git a/Apps.Widn/Apps.Widn.csproj b/Apps.Widn/Apps.Widn.csproj
index 135729e..d64eb3a 100644
--- a/Apps.Widn/Apps.Widn.csproj
+++ b/Apps.Widn/Apps.Widn.csproj
@@ -6,7 +6,7 @@
         <Nullable>enable</Nullable>
         <Product>Widn</Product>
         <Description>Accurate translations, preserving meaning and nuance across +20 language pairs and various domains.</Description>
-        <Version>1.0.14</Version>
+        <Version>1.0.15</Version>
         <AssemblyName>Apps.Widn</AssemblyName>
     </PropertyGroup>
 
diff --git a/Tests.Widn/TranslateTests.cs b/Tests.Widn/TranslateTests.cs
index 397dc32..e9a2404 100644
--- a/Tests.Widn/TranslateTests.cs
+++ b/Tests.Widn/TranslateTests.cs
@@ -38,7 +38,7 @@ public async Task EvaluateQuality_ReturnsValues()
         };
         var input2 = new QualityEvaluateRequest
         {
-            ReferenceText = "Hi"
+            ReferenceText = "Hello"
         };
         var result = await action.EvaluateQuality(input1, input2);
         Assert.IsNotNull(result);