diff --git a/ThermofluidStream/Media/myMedia/Air/MoistAir.mo b/ThermofluidStream/Media/myMedia/Air/MoistAir.mo
index 8dac15fe..a5d1e4bd 100644
--- a/ThermofluidStream/Media/myMedia/Air/MoistAir.mo
+++ b/ThermofluidStream/Media/myMedia/Air/MoistAir.mo
@@ -1277,13 +1277,19 @@ end thermalConductivity;
end f_nonlinear;
algorithm
- T := Modelica.Math.Nonlinear.solveOneNonlinearEquation(
- function f_nonlinear(p=p, s=s, X=X[1:nX]), 190, 647);
+ if size(X, 1) == nX then
+ T := Modelica.Math.Nonlinear.solveOneNonlinearEquation(
+ function f_nonlinear(p=p, s=s, X=X), 190, 647);
+ else
+ T := Modelica.Math.Nonlinear.solveOneNonlinearEquation(
+ function f_nonlinear(p=p, s=s, X=cat(1,X[1:nXi],{1 - sum(X[1:nXi])})), 190, 647);
+ end if;
annotation (Documentation(info="
Temperature is computed from pressure, specific entropy and composition via numerical inversion of function s_pTX.
",
revisions="
2012-01-12 Stefan Wischhusen: Initial Release.
+2026-04-08 Corentin Lepais: Correct algorithm to add X[Air] to the vector X if size(X,1) is different from nX.
"));
end T_psX;