diff --git a/YY-Thunks.cmake b/YY-Thunks.cmake
index 4c30988..f1ae333 100644
--- a/YY-Thunks.cmake
+++ b/YY-Thunks.cmake
@@ -72,6 +72,7 @@ if(NOT "x${__yy_thunks_dir}" STREQUAL "x" AND EXISTS "${__yy_thunks_dir}")
         set(__yy_thunks_arch x86)
     endif()
     set(__yy_thunks_obj "${__yy_thunks_dir}/objs/${__yy_thunks_arch}/YY_Thunks_for_${YYTHUNKS_TARGET_OS}.obj")
+    cmake_path(NORMAL_PATH __yy_thunks_obj OUTPUT_VARIABLE __yy_thunks_obj)
     if(EXISTS "${__yy_thunks_obj}")
         set(YYTHUNKS_FOUND TRUE CACHE BOOL "" FORCE)
         set(YYTHUNKS_INSTALL_DIR "${__yy_thunks_dir}" CACHE STRING "" FORCE)