diff --git a/include/gluon.mk b/include/gluon.mk
index e5cc164b..0bf92db5 100644
--- a/include/gluon.mk
+++ b/include/gluon.mk
@@ -45,7 +45,7 @@ endif
 
 define merge-lists
 $(1) :=
-$(foreach var,$(2),$(1) := $$(sort $$(filter-out -% $$(patsubst -%,%,$$(filter -%,$$($(var)))),$$($(1)) $$($(var))))
+$(foreach var,$(2),$(1) := $$(filter-out -% $$(patsubst -%,%,$$(filter -%,$$($(var)))),$$($(1)) $$($(var)))
 )
 endef