diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8f3d2488..8aaaf36de 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -335,7 +335,7 @@ IF ( ASSIMP_BUILD_ASSIMP_TOOLS )
     IF ( ASSIMP_BUILD_ASSIMP_VIEW )
       ADD_SUBDIRECTORY( tools/assimp_view/ )
     ENDIF ( ASSIMP_BUILD_ASSIMP_VIEW )
-  ENDIF ( WIN32 )
+  ENDIF ( WIN32 AND DirectX_D3DX9_LIBRARY )
 
   ADD_SUBDIRECTORY( tools/assimp_cmd/ )