diff --git a/cmake/macros/PackageConfig.cmake b/cmake/macros/PackageConfig.cmake
index 28ed2a516b..8fca34bf37 100644
--- a/cmake/macros/PackageConfig.cmake
+++ b/cmake/macros/PackageConfig.cmake
@@ -99,7 +99,7 @@ function(package_option name)
   endforeach()
 
   if(command STREQUAL "DEFAULT")
-    message(SEND_ERROR "DEFAULT in package_option takes an argument")    
+    message(SEND_ERROR "DEFAULT in package_option takes an argument")
   endif()
 
   # If the default is not set, we set it.