diff --git a/hurricane/CMakeLists.txt b/hurricane/CMakeLists.txt
index a03d9934..0c64f176 100644
--- a/hurricane/CMakeLists.txt
+++ b/hurricane/CMakeLists.txt
@@ -6,7 +6,19 @@ IF(COMMAND CMAKE_POLICY)
 ENDIF(COMMAND CMAKE_POLICY)
 
 SET(CMAKE_MODULE_PATH "${HURRICANE_SOURCE_DIR}/cmake_modules/")
-SET(CMAKE_OSX_ARCHITECTURES "i386;ppc") # for QT4.5 32bits on snow leopard
+
+IF(APPLE)
+  EXECUTE_PROCESS(
+    COMMAND sw_vers -productVersion
+    OUTPUT_VARIABLE OSX_VERSION
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+  MESSAGE(STATUS "OSX_VERSION='${OSX_VERSION}'")
+  IF(${OSX_VERSION} MATCHES "^10\\.[012345]*")
+    MESSAGE(STATUS "OSX < 10.6")
+  ELSE(${OSX_VERSION} MATCHES "^10\\.[012345]*")
+    SET(CMAKE_OSX_ARCHITECTURES "i386;ppc") # for QT4.5 32bits on snow leopard
+  ENDIF(${OSX_VERSION} MATCHES "^10\\.[012345]*")
+ENDIF(APPLE)
 
 OPTION(BUILD_STATIC "Build static version of libraries & binaries" OFF)
 OPTION(BUILD_DOC    "Build the documentation (doxygen)" OFF)