diff --git a/src/systems/iec80000/include/units/iec80000/quantities.h b/src/systems/iec80000/include/units/iec80000/quantities.h
index a06866bc..ee479547 100644
--- a/src/systems/iec80000/include/units/iec80000/quantities.h
+++ b/src/systems/iec80000/include/units/iec80000/quantities.h
@@ -44,7 +44,7 @@ QUANTITY_SPEC(waiting_probability, dimensionless);
 QUANTITY_SPEC(call_intensity, 1 / isq::duration);
 inline constexpr auto calling_rate = call_intensity;
 QUANTITY_SPEC(completed_call_intensity, call_intensity);
-QUANTITY_SPEC(storage_capacity, dim_storage_capacity);
+QUANTITY_SPEC(storage_capacity, dimensionless);
 inline constexpr auto storage_size = storage_capacity;
 QUANTITY_SPEC(equivalent_binary_storage_capacity, storage_capacity);
 QUANTITY_SPEC(transfer_rate, storage_capacity / isq::duration);
diff --git a/src/systems/iec80000/include/units/iec80000/units.h b/src/systems/iec80000/include/units/iec80000/units.h
index b078291b..b3e6ffc3 100644
--- a/src/systems/iec80000/include/units/iec80000/units.h
+++ b/src/systems/iec80000/include/units/iec80000/units.h
@@ -30,7 +30,7 @@ namespace units::iec80000 {
 
 // clang-format off
 inline constexpr struct erlang : named_unit<"E", traffic_intensity> {} erlang;
-inline constexpr struct bit : named_unit<"bit", storage_capacity> {} bit;
+inline constexpr struct bit : named_unit<"bit", one> {} bit;
 inline constexpr struct octet : named_unit<"o", mag<8> * bit> {} octet;
 inline constexpr struct byte : named_unit<"B", mag<8> * bit> {} byte;
 inline constexpr struct baud : named_unit<"Bd", 1 / si::second> {} baud;