diff --git a/uppsrc/Core/Sort.h b/uppsrc/Core/Sort.h
index 7961b5da7..25be5bd0e 100644
--- a/uppsrc/Core/Sort.h
+++ b/uppsrc/Core/Sort.h
@@ -526,9 +526,9 @@ Vector<int> GetStableSortOrder(const Range& r, const Less& less)
 }
 
 template <class Range>
-inline Vector<int> GetStableSortOrder(const Range& r)
+Vector<int> GetStableSortOrder(const Range& r)
 {
-	return GetSortOrder(r, std::less<ValueTypeOf<Range>>());
+	return GetStableSortOrder(r, std::less<ValueTypeOf<Range>>());
 }
 
 template <class Map, class Less>