diff --git a/Modules/CMakeFindBinUtils.cmake b/Modules/CMakeFindBinUtils.cmake
index 851fed989..16750e39a 100644
--- a/Modules/CMakeFindBinUtils.cmake
+++ b/Modules/CMakeFindBinUtils.cmake
@@ -76,7 +76,8 @@ IF(APPLE)
 ENDIF(APPLE)
 
 # if we are on an ELF system, search for chrpath
-# according to 
+# according to the binutils mailing list chrpath has problems when cross compiling
+# i.e. if the target has different endianness than the host
 IF("${CMAKE_EXECUTABLE_FORMAT}" STREQUAL "ELF"  AND NOT  CMAKE_CROSSCOMPILING)
   # on ELF platforms there might be chrpath, which works similar to install_name_tool
   OPTION(CMAKE_USE_CHRPATH "Enable this to use chrpath if available" OFF)