diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e395c9..75b8589 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -430,7 +430,7 @@ IF( NOT DEFINED WT_CMAKE_FINDER_INSTALL_DIR )
 ENDIF( NOT DEFINED WT_CMAKE_FINDER_INSTALL_DIR)

 INSTALL(FILES ${PROJECT_SOURCE_DIR}/cmake/FindWt.cmake DESTINATION
-    ${CMAKE_INSTALL_PREFIX}/${WT_CMAKE_FINDER_INSTALL_DIR} )
+    ${WT_CMAKE_FINDER_INSTALL_DIR} )

 IF(INSTALL_RESOURCES)
 INSTALL(DIRECTORY ${PROJECT_SOURCE_DIR}/resources DESTINATION