diff --git a/src/TimeZoneConverter/TimeZoneConverter.csproj b/src/TimeZoneConverter/TimeZoneConverter.csproj
index abc7b8a..66aef66 100644
--- a/src/TimeZoneConverter/TimeZoneConverter.csproj
+++ b/src/TimeZoneConverter/TimeZoneConverter.csproj
@@ -25,6 +25,10 @@
+
+ $(MSBuildProgramFiles32)\Reference Assemblies\Microsoft\Framework\.NETFramework\v3.5\Profile\Client
+
+