diff --git a/release/CMakeLists.txt b/release/CMakeLists.txt
index fe245e6..94a5c57 100644
--- a/release/CMakeLists.txt
+++ b/release/CMakeLists.txt
@@ -177,7 +177,7 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/Binaries)
 
 # These settings can be used by the test targets
 set(Casablanca_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include)
-if (NOT CPPREST_EXCLUDE_WEBSOCKETS)
+if (NOT CPPREST_EXCLUDE_WEBSOCKETS AND NOT WINDOWS_STORE AND NOT WINDOWS_PHONE)
   find_path(WEBSOCKETPP_CONFIG websocketpp-config.cmake
                         HINTS /usr/lib/cmake/websocketpp)
   find_path(WEBSOCKETPP_CONFIG_VERSION websocketpp-configVersion.cmake