diff --git a/Modules/CMakeCSharpCompiler.cmake.in b/Modules/CMakeCSharpCompiler.cmake.in
index 5ecc4800b1..3d49b6bc90 100644
--- a/Modules/CMakeCSharpCompiler.cmake.in
+++ b/Modules/CMakeCSharpCompiler.cmake.in
@@ -2,6 +2,7 @@ set(CMAKE_CSharp_COMPILER "@CMAKE_CSharp_COMPILER@")
 set(CMAKE_CSharp_COMPILER_ID "@CMAKE_CSharp_COMPILER_ID@")
 set(CMAKE_CSharp_COMPILER_VERSION "@CMAKE_CSharp_COMPILER_VERSION@")
 
+set(CMAKE_CSharp_COMPILER_LOADED 1)
 set(CMAKE_CSharp_COMPILER_WORKS "@CMAKE_CSharp_COMPILER_WORKS@")
 
 set(CMAKE_CSharp_COMPILER_ID_RUN "@CMAKE_CSharp_COMPILER_ID_RUN@")