diff --git a/ApplicationLibCode/Application/RiaPreferencesOpm.cpp b/ApplicationLibCode/Application/RiaPreferencesOpm.cpp
index c407701efc..051c0e0159 100644
--- a/ApplicationLibCode/Application/RiaPreferencesOpm.cpp
+++ b/ApplicationLibCode/Application/RiaPreferencesOpm.cpp
@@ -40,6 +40,10 @@ RiaPreferencesOpm::RiaPreferencesOpm()
     CAF_PDM_InitField( &m_useMpi, "useMpi", false, "Use MPI to run Opm Flow" );
     CAF_PDM_InitField( &m_mpiProcesses, "mpiProcesses", 4, "Number of MPI processes to use" );
 
+    CAF_PDM_InitField( &m_mpirunCommand, "mpirunCommand", QString( "/usr/bin/mpirun" ), "Path to mpirun command" );
+    m_mpirunCommand.uiCapability()->setUiEditorTypeName( caf::PdmUiFilePathEditor::uiEditorTypeName() );
+    m_mpirunCommand.uiCapability()->setUiLabelPosition( caf::PdmUiItemInfo::TOP );
+
     CAF_PDM_InitFieldNoDefault( &m_wslDistribution, "wslDistribution", "WSL Distribution to use:" );
     m_wslDistribution.uiCapability()->setUiEditorTypeName( caf::PdmUiComboBoxEditor::uiEditorTypeName() );
     m_availableWslDists = RiaWslTools::wslDistributionList();
@@ -75,6 +79,7 @@ void RiaPreferencesOpm::appendItems( caf::PdmUiOrdering& uiOrdering )
     if ( m_useMpi() )
     {
         opmGrp->add( &m_mpiProcesses );
+        opmGrp->add( &m_mpirunCommand );
     }
 }
 
@@ -104,6 +109,14 @@ QString RiaPreferencesOpm::opmFlowCommand() const
     return m_opmFlowCommand;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QString RiaPreferencesOpm::mpirunCommand() const
+{
+    return m_mpirunCommand;
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/Application/RiaPreferencesOpm.h b/ApplicationLibCode/Application/RiaPreferencesOpm.h
index 324d90b2fc..d038087e95 100644
--- a/ApplicationLibCode/Application/RiaPreferencesOpm.h
+++ b/ApplicationLibCode/Application/RiaPreferencesOpm.h
@@ -42,6 +42,7 @@ public:
     bool        useWsl() const;
     bool        useMpi() const;
     int         mpiProcesses() const;
+    QString     mpirunCommand() const;
 
 protected:
     QList<caf::PdmOptionItemInfo> calculateValueOptions( const caf::PdmFieldHandle* fieldNeedingOptions ) override;
@@ -52,6 +53,7 @@ private:
     caf::PdmField<QString> m_wslDistribution;
     caf::PdmField<bool>    m_useMpi;
     caf::PdmField<int>     m_mpiProcesses;
+    caf::PdmField<QString> m_mpirunCommand;
 
     QStringList m_availableWslDists;
 };
diff --git a/ApplicationLibCode/ProjectDataModel/Jobs/RimOpmFlowJob.cpp b/ApplicationLibCode/ProjectDataModel/Jobs/RimOpmFlowJob.cpp
index b8f4b98222..604f72d833 100644
--- a/ApplicationLibCode/ProjectDataModel/Jobs/RimOpmFlowJob.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Jobs/RimOpmFlowJob.cpp
@@ -526,7 +526,7 @@ QStringList RimOpmFlowJob::command()
 
     if ( opmPref->useMpi() )
     {
-        cmd.append( "/usr/bin/mpirun" );
+        cmd.append( opmPref->mpirunCommand() );
         cmd.append( QString( "-np" ) );
         cmd.append( QString( "%1" ).arg( opmPref->mpiProcesses() ) );
     }