diff --git a/src/Nexus.Sources.StructuredFile/Nexus.Sources.StructuredFile.csproj b/src/Nexus.Sources.StructuredFile/Nexus.Sources.StructuredFile.csproj
index 5c0acc4..af9f3ff 100644
--- a/src/Nexus.Sources.StructuredFile/Nexus.Sources.StructuredFile.csproj
+++ b/src/Nexus.Sources.StructuredFile/Nexus.Sources.StructuredFile.csproj
@@ -11,7 +11,7 @@
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
 
-  <PropertyGroup "'$(GeneratePackage)'=='true'">
+  <PropertyGroup Condition="'$(GeneratePackage)'=='true'">
     <DefineConstants>$(DefineConstants);IS_PUBLISH_BUILD</DefineConstants>
   </PropertyGroup>