diff --git a/ipython-kernel/examples/Calc.hs b/ipython-kernel/examples/Calc.hs
index f3861c45..fcacf5b4 100644
--- a/ipython-kernel/examples/Calc.hs
+++ b/ipython-kernel/examples/Calc.hs
@@ -221,6 +221,7 @@ mkConfig var = KernelConfig
     , languageVersion = "1.0.0"
     , languageFileExtension = ".txt"
     , languageCodeMirrorMode = "null"
+    , languagePygmentsLexer = "Text"
     }
   , writeKernelspec = const $ return $ KernelSpec
     { kernelDisplayName = "Hutton's Razor"
diff --git a/ipython-kernel/examples/Simple.hs b/ipython-kernel/examples/Simple.hs
index 4d2aab08..67af0f81 100644
--- a/ipython-kernel/examples/Simple.hs
+++ b/ipython-kernel/examples/Simple.hs
@@ -61,6 +61,7 @@ languageConfig = LanguageInfo
   , languageVersion = "1.0.0"
   , languageFileExtension = ".txt"
   , languageCodeMirrorMode = "null"
+  , languagePygmentsLexer = "Text"
   }
 
 languageKernelspec :: KernelSpec