diff --git a/Modules/FindX11.cmake b/Modules/FindX11.cmake
index d72a4f6c6..05e4d5937 100644
--- a/Modules/FindX11.cmake
+++ b/Modules/FindX11.cmake
@@ -91,7 +91,7 @@ IF (UNIX)
     INCLUDE (${CMAKE_ROOT}/Modules/CheckLibraryExists.cmake)
     CHECK_LIBRARY_EXISTS("nsl" "gethostbyname" "" CMAKE_HAVE_GETHOSTBYNAME) 
     IF (CMAKE_HAVE_GETHOSTBYNAME)
-      SET (CMAKE_X_EXTRA_LIBS "${CMAKE_X_EXTRA_LIBS};-nsl")
+      SET (CMAKE_X_EXTRA_LIBS "${CMAKE_X_EXTRA_LIBS};-lnsl")
     ENDIF (CMAKE_HAVE_GETHOSTBYNAME)
     CHECK_LIBRARY_EXISTS("socket" "connect" "" CMAKE_HAVE_SOCKET_LIBRARY)
     IF (CMAKE_HAVE_SOCKET_LIBRARY)