diff --git a/templates/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh.template b/templates/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh.template
index 55ecfb30192..acf12579357 100644
--- a/templates/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh.template
+++ b/templates/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh.template
@@ -39,4 +39,4 @@
     ln -s $(pwd)/.dotnet/dotnet /usr/local/bin/dotnet
   fi
 
-  dotnet build --configuration Debug Grpc.AspNetCore.sln
+  dotnet build --configuration Debug Grpc.DotNet.sln
diff --git a/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh b/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh
index 0b32638b54b..acb2a0ab2d9 100644
--- a/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh
+++ b/tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh
@@ -37,4 +37,4 @@ then
   ln -s $(pwd)/.dotnet/dotnet /usr/local/bin/dotnet
 fi
 
-dotnet build --configuration Debug Grpc.AspNetCore.sln
+dotnet build --configuration Debug Grpc.DotNet.sln