diff --git a/Modules/FindSWIG.cmake b/Modules/FindSWIG.cmake
index bb78bc230..f7ad2f53b 100644
--- a/Modules/FindSWIG.cmake
+++ b/Modules/FindSWIG.cmake
@@ -54,7 +54,7 @@ if(SWIG_EXECUTABLE)
     string(REGEX REPLACE "[\n\r]+" ";" SWIG_swiglib_output ${SWIG_swiglib_output})
     # force the path to be computed each time in case SWIG_EXECUTABLE has changed.
     set(SWIG_DIR SWIG_DIR-NOTFOUND)
-    find_path(SWIG_DIR swig.swg PATHS ${SWIG_swiglib_output})
+    find_path(SWIG_DIR swig.swg PATHS ${SWIG_swiglib_output} NO_CMAKE_FIND_ROOT_PATH)
     if(SWIG_DIR)
       set(SWIG_USE_FILE ${CMAKE_ROOT}/Modules/UseSWIG.cmake)
       execute_process(COMMAND ${SWIG_EXECUTABLE} -version