diff --git a/IBPSA/Electrical/Transmission/BaseClasses/BaseCable.mo b/IBPSA/Electrical/Transmission/BaseClasses/BaseCable.mo
index 97885e5459..0ad06526d3 100644
--- a/IBPSA/Electrical/Transmission/BaseClasses/BaseCable.mo
+++ b/IBPSA/Electrical/Transmission/BaseClasses/BaseCable.mo
@@ -17,10 +17,16 @@ record BaseCable "Record that contains the properties of a generic cable"
       "Frequency considered in the definition of cables properties";
     output Modelica.Units.SI.Resistance R "Resistance of the cable";
   protected
-    parameter Modelica.Units.SI.AngularVelocity omega=2*Modelica.Constants.pi*f;
+    Modelica.Units.SI.AngularVelocity omega=2*Modelica.Constants.pi*f;
     annotation (Documentation(revisions="<html>
 <ul>
 <li>
+August 30, 2024, by Michael Wetter:<br/>
+Removed wrong parameter keyword on protected variable, which is needed for Dymola 2025x.<br/>
+This is for
+<a href=\"https://github.com/ibpsa/modelica-ibpsa/issues/1930\">IBPSA, #1930</a>.
+</li>
+<li>
 September 23, 2014, by Marco Bonvini:<br/>
 Added function and documentation
 </li>
@@ -36,10 +42,16 @@ Added function and documentation
       "Frequency considered in the definition of cables properties";
     output Modelica.Units.SI.Inductance L "Inductance of the cable";
   protected
-    parameter Modelica.Units.SI.AngularVelocity omega=2*Modelica.Constants.pi*f;
+    Modelica.Units.SI.AngularVelocity omega=2*Modelica.Constants.pi*f;
     annotation (Documentation(revisions="<html>
 <ul>
 <li>
+August 30, 2024, by Michael Wetter:<br/>
+Removed wrong parameter keyword on protected variable, which is needed for Dymola 2025x.<br/>
+This is for
+<a href=\"https://github.com/ibpsa/modelica-ibpsa/issues/1930\">IBPSA, #1930</a>.
+</li>
+<li>
 September 23, 2014, by Marco Bonvini:<br/>
 Added function and documentation
 </li>
@@ -55,10 +67,16 @@ Added function and documentation
       "Frequency considered in the definition of cables properties";
     output Modelica.Units.SI.Capacitance C "Capacitance of the cable";
   protected
-    parameter Modelica.Units.SI.AngularVelocity omega=2*Modelica.Constants.pi*f;
+    Modelica.Units.SI.AngularVelocity omega=2*Modelica.Constants.pi*f;
     annotation (Documentation(revisions="<html>
 <ul>
 <li>
+August 30, 2024, by Michael Wetter:<br/>
+Removed wrong parameter keyword on protected variable, which is needed for Dymola 2025x.<br/>
+This is for
+<a href=\"https://github.com/ibpsa/modelica-ibpsa/issues/1930\">IBPSA, #1930</a>.
+</li>
+<li>
 September 23, 2014, by Marco Bonvini:<br/>
 Added function and documentation
 </li>
@@ -69,6 +87,12 @@ Added function and documentation
   annotation (Documentation(revisions="<html>
 <ul>
 <li>
+August 30, 2024, by Michael Wetter:<br/>
+Removed wrong parameter keyword on protected variable, which is needed for Dymola 2025x.<br/>
+This is for
+<a href=\"https://github.com/ibpsa/modelica-ibpsa/issues/1930\">IBPSA, #1930</a>.
+</li>
+<li>
 September 24, 2014, by Marco Bonvini:<br/>
 Revised structure of the record, now the temperature constant <code>M</code>
 is directly specified in the record.
