diff --git a/make/lo.mk b/make/lo.mk
index fd0f0684..52dd18b8 100644
--- a/make/lo.mk
+++ b/make/lo.mk
@@ -6,7 +6,7 @@ include $(MODDIR)/make/depend.mk
 TOOLS_DIR                    ?= $(TOPDIR)/tools
 
 CPP_PREFIX                   ?= YLo
-SO_PREFIX                     = lo_
+SO_PREFIX                    ?= lo_
 #SO_PREFIX ?= \
 #	$(shell sed '/const char \*YAbstractLoadableObject::_soPrefix/ !d; s/[^"]*"//; s/".*//' \
 #		$(YTOOLS_DIR)/YLoadableObject/YAbstractLoadableObject.cpp)