diff --git a/include/xo/unit/scaled_unit.hpp b/include/xo/unit/scaled_unit.hpp
index 3b506b46..32f19d71 100644
--- a/include/xo/unit/scaled_unit.hpp
+++ b/include/xo/unit/scaled_unit.hpp
@@ -88,7 +88,7 @@ namespace xo {
             template <typename Int>
             constexpr
             scaled_unit<Int>
-            nu_bpu_product(const natural_unit<Int> & lhs_bpu_array,
+            su_bpu_product(const natural_unit<Int> & lhs_bpu_array,
                            const bpu<Int> & rhs_bpu)
             {
                 natural_unit<Int> prod = lhs_bpu_array;
diff --git a/utest/unit.test.cpp b/utest/unit.test.cpp
index 41149b4a..c6b52950 100644
--- a/utest/unit.test.cpp
+++ b/utest/unit.test.cpp
@@ -42,7 +42,7 @@ namespace xo {
         using xo::qty::natural_unit;
         using xo::qty::bpu_array_maker;
         using xo::qty::detail::su_product;
-        using xo::qty::detail::nu_bpu_product;
+        using xo::qty::detail::su_bpu_product;
         using xo::qty::detail::nu_ratio_inplace;
         using xo::qty::detail::su_ratio;
         using xo::qty::unit_qty;
@@ -594,7 +594,7 @@ namespace xo {
 
                 static_assert(bpu.power() == power_ratio_type(-1, 2));
 
-                constexpr auto prod_rr = nu_bpu_product(v, bpu);
+                constexpr auto prod_rr = su_bpu_product(v, bpu);
 
                 log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
                 log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));
@@ -641,7 +641,7 @@ namespace xo {
 
                 static_assert(bpu.power() == power_ratio_type(-1, 2));
 
-                constexpr auto prod_rr = nu_bpu_product(v, bpu);
+                constexpr auto prod_rr = su_bpu_product(v, bpu);
 
                 log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
                 log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));
@@ -685,7 +685,7 @@ namespace xo {
 
                 static_assert(bpu.power() == power_ratio_type(-1, 1));
 
-                constexpr auto prod_rr = nu_bpu_product(v, bpu);
+                constexpr auto prod_rr = su_bpu_product(v, bpu);
 
                 log && log(xtag("prod_rr.bpu_array", prod_rr.natural_unit_));
                 log && log(xtag("prod_rr.outer_scale_exact", prod_rr.outer_scale_exact_));