diff --git a/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp b/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp
index 12b6a85c66..4bcfc132db 100644
--- a/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp
+++ b/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp
@@ -316,6 +316,15 @@ std::pair<bool, std::string>
         }
     }
 
+    std::string partSymmetry = "YSYMM";
+    for ( const auto& part : parts )
+    {
+        auto partNameIt = partNames.find( part );
+        CAF_ASSERT( partNameIt != partNames.end() );
+        std::string partName = partNameIt->second;
+        printBoundaryCondition( stream, partName + "." + partName, partSymmetry );
+    }
+
     return { true, "" };
 }
 
diff --git a/ResInsightVersion.cmake b/ResInsightVersion.cmake
index 89fcde5192..e43faaec03 100644
--- a/ResInsightVersion.cmake
+++ b/ResInsightVersion.cmake
@@ -11,7 +11,7 @@ set(RESINSIGHT_VERSION_TEXT "-dev")
 # Must be unique and increasing within one combination of major/minor/patch version 
 # The uniqueness of this text is independent of RESINSIGHT_VERSION_TEXT 
 # Format of text must be ".xx"
-set(RESINSIGHT_DEV_VERSION ".10")
+set(RESINSIGHT_DEV_VERSION ".11")
 
 # https://github.com/CRAVA/crava/tree/master/libs/nrlib
 set(NRLIB_GITHUB_SHA "ba35d4359882f1c6f5e9dc30eb95fe52af50fd6f")