diff --git a/CMakeLists.txt b/CMakeLists.txt
index 581071aef3..3d6f01659b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -194,6 +194,9 @@ else()
 endif()
 
 if(ENABLE_GENERIC)
+  if(WIN32)
+    message(FATAL_ERROR "Generic builds are not supported on Windows!")
+  endif()
   message(STATUS "Warning! Building generic build!")
   set(_M_GENERIC 1)
   add_definitions(-D_M_GENERIC=1)