diff --git a/include/xo/unit/bpu.hpp b/include/xo/unit/bpu.hpp
index 08d6a324..2c9a6c18 100644
--- a/include/xo/unit/bpu.hpp
+++ b/include/xo/unit/bpu.hpp
@@ -39,7 +39,7 @@ namespace xo {
             }
 
             static constexpr bpu_abbrev_type
-            bpu2_abbrev(dim native_dim,
+            bpu_abbrev(dim native_dim,
                         const scalefactor_ratio_type & scalefactor,
                         const power_ratio_type & power)
             {
@@ -92,7 +92,7 @@ namespace xo {
              **/
             constexpr bpu_abbrev_type abbrev() const
                 {
-                    return abbrev::bpu2_abbrev(native_dim_,
+                    return abbrev::bpu_abbrev(native_dim_,
                                                scalefactor_,
                                                power_);
                 }
diff --git a/include/xo/unit/bpu_store.hpp b/include/xo/unit/bpu_store.hpp
index 097f3b45..83527558 100644
--- a/include/xo/unit/bpu_store.hpp
+++ b/include/xo/unit/bpu_store.hpp
@@ -69,7 +69,7 @@ namespace xo {
                                         const scalefactor_ratio_type & scalefactor,
                                         const power_ratio_type & power)
                 {
-                    return abbrev::bpu2_abbrev(basis_dim,
+                    return abbrev::bpu_abbrev(basis_dim,
                                                scalefactor,
                                                power);
                 }
diff --git a/utest/unit.test.cpp b/utest/unit.test.cpp
index 2f3627c7..3f4793a1 100644
--- a/utest/unit.test.cpp
+++ b/utest/unit.test.cpp
@@ -36,7 +36,7 @@ namespace xo {
         using xo::qty::basis_unit;
         using xo::qty::abbrev::basis_unit2_abbrev;;
         using xo::qty::bpu_abbrev_type;
-        using xo::qty::abbrev::bpu2_abbrev;
+        using xo::qty::abbrev::bpu_abbrev;
         using xo::qty::basis_unit2_store;
         using xo::qty::power_ratio_type;
         using xo::qty::abbrev::flatstring_from_exponent;
@@ -306,10 +306,10 @@ namespace xo {
             scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu2_assemble_abbrev"));
             //log && log("(A)", xtag("foo", foo));
 
-            log && log(xtag("1/(kg*kg)", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-2, 1))));
-            log && log(xtag("1/kg", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-1, 1))));
-            log && log(xtag("kg", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1))));
-            log && log(xtag("kg*kg", bpu2_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(2, 1))));
+            log && log(xtag("1/(kg*kg)", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-2, 1))));
+            log && log(xtag("1/kg", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-1, 1))));
+            log && log(xtag("kg", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1))));
+            log && log(xtag("kg*kg", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(2, 1))));
 
             static_assert(bpu<int64_t>(dim::mass, scalefactor_ratio_type(1, 1), power_ratio_type(1, 1)).abbrev()
                           == bpu_abbrev_type::from_chars("g"));