diff --git a/include/mcc/mcc_angle.h b/include/mcc/mcc_angle.h
index 068dd65..3413190 100644
--- a/include/mcc/mcc_angle.h
+++ b/include/mcc/mcc_angle.h
@@ -648,7 +648,7 @@ static constexpr bool mcc_is_app_coordpair(MccCoordPairKind kind)
 };
 
 
-static constexpr std::string_view MCC_COORDPAIR_KIND_RADEC_ICRS_STR = "RADEC-IRCS";
+static constexpr std::string_view MCC_COORDPAIR_KIND_RADEC_ICRS_STR = "RADEC-ICRS";
 static constexpr std::string_view MCC_COORDPAIR_KIND_RADEC_APP_STR = "RADEC-APP";
 static constexpr std::string_view MCC_COORDPAIR_KIND_RADEC_OBS_STR = "RADEC-OBS";
 static constexpr std::string_view MCC_COORDPAIR_KIND_HADEC_APP_STR = "HADEC-APP";