diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index e270a430063441970583c4bfee0bcc40233a24b0..8fc05659f6f285e8146dd91fee12bb52deb54f3c 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -79,7 +79,7 @@ if (WINDOWS)
       )
 
   # Nicky: x64 implies SSE2
-  if( ADDRESS_SIZE EQUAL 64 )
+  if( ADDRESS_SIZE EQUAL 32 )
     add_definitions( /arch:SSE2 )
   endif()