diff --git a/src/BenchmarkDotNet/Templates/CsProj.txt b/src/BenchmarkDotNet/Templates/CsProj.txt
index 9384dbe8c7..46a70d584b 100644
--- a/src/BenchmarkDotNet/Templates/CsProj.txt
+++ b/src/BenchmarkDotNet/Templates/CsProj.txt
@@ -17,7 +17,7 @@
     <CodeAnalysisRuleSet></CodeAnalysisRuleSet>
     $COPIEDSETTINGS$
     <!-- we set LangVersion after $COPIEDSETTINGS$ which might contain LangVersion copied from the benchmarks project -->
-    <LangVersion Condition="'$(LangVersion)' == '' Or '$(LangVersion)' &lt; '7.3'">latest</LangVersion>
+    <LangVersion Condition="'$(LangVersion)' == '' Or ($([System.Char]::IsDigit('$(LangVersion)', 0)) And '$(LangVersion)' &lt; '7.3')">latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>