diff --git a/lutin_speex.py b/lutin_speex.py
index 58025f4..cc1fa6a 100644
--- a/lutin_speex.py
+++ b/lutin_speex.py
@@ -75,6 +75,7 @@ def create(target, module_name):
 	
 
 	my_module.compile_version("c", 1989, gnu=True)
+	my_module.add_module_depend(['m'])
 	my_module.add_path(os.path.join(tools.get_current_path(__file__), "speex/include"))
 	# configure library :