diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake
index ee77abeab..32c0ab67e 100644
--- a/Modules/FindBoost.cmake
+++ b/Modules/FindBoost.cmake
@@ -800,7 +800,7 @@ ELSE (_boost_IN_CACHE)
     if(WIN32)
       set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
     else()
-      set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES} )
+      set(CMAKE_FIND_LIBRARY_SUFFIXES .a )
     endif()
   endif()