diff --git a/test/unit_test/static/unit_symbol_test.cpp b/test/unit_test/static/unit_symbol_test.cpp
index d71bc37d..c681c2c6 100644
--- a/test/unit_test/static/unit_symbol_test.cpp
+++ b/test/unit_test/static/unit_symbol_test.cpp
@@ -152,8 +152,8 @@ static_assert(unit_symbol(pow<1, 2>(metre / second)) == "m^(1/2)/s^(1/2)");
 
 // Physical constants
 static_assert(unit_symbol(si2019::speed_of_light_in_vacuum_unit) == "[c]");
-static_assert(unit_symbol(gram * standard_gravity_unit * si2019::speed_of_light_in_vacuum_unit) == "[c] [g] g");
-static_assert(unit_symbol(gram / standard_gravity_unit) == "g/[g]");
+static_assert(unit_symbol(gram * standard_gravity_unit * si2019::speed_of_light_in_vacuum_unit) == "[c] [g₀] g");
+static_assert(unit_symbol(gram / standard_gravity_unit) == "g/[g₀]");
 
 #endif  // __cpp_lib_constexpr_string