diff --git a/SConstruct b/SConstruct
index 57c922a0e..54e79ef70 100644
--- a/SConstruct
+++ b/SConstruct
@@ -68,7 +68,7 @@ def shortest_name(libs):
             name = lib
     return name
 
-if platform.uname()[4] == 'x86_64':
+if platform.uname()[4] == 'x86_64' and platform.system() == 'Linux' :
     LIBDIR_SCHEMA='lib64' 
 elif platform.uname()[4] == 'ppc64':
     LIBDIR_SCHEMA='lib64'