diff --git a/ApplicationCode/ModelVisualization/RivFaultPartMgr.cpp b/ApplicationCode/ModelVisualization/RivFaultPartMgr.cpp
index a566924d80..99ba62348a 100644
--- a/ApplicationCode/ModelVisualization/RivFaultPartMgr.cpp
+++ b/ApplicationCode/ModelVisualization/RivFaultPartMgr.cpp
@@ -262,7 +262,7 @@ void RivFaultPartMgr::generatePartGeometry()
 
             part->updateBoundingBox();
             part->setEnableMask(meshFaultBit);
-            part->setPriority(RivPartPriority::PartType::MeshLines);
+            part->setPriority(RivPartPriority::PartType::FaultMeshLines);
 
             m_nativeFaultGridLines = part;
         }
@@ -314,7 +314,7 @@ void RivFaultPartMgr::generatePartGeometry()
 
             part->updateBoundingBox();
             part->setEnableMask(meshFaultBit);
-            part->setPriority(RivPartPriority::PartType::MeshLines);
+            part->setPriority(RivPartPriority::PartType::FaultMeshLines);
 
             m_oppositeFaultGridLines = part;
         }
@@ -403,12 +403,12 @@ void RivFaultPartMgr::updatePartEffect()
 
         if (m_nativeFaultGridLines.notNull())
         {
-            m_nativeFaultGridLines->setPriority(RivPartPriority::PartType::TransparentMeshLines);
+            m_nativeFaultGridLines->setPriority(RivPartPriority::PartType::FaultMeshLines);
         }
 
         if (m_oppositeFaultGridLines.notNull())
         {
-            m_oppositeFaultGridLines->setPriority(RivPartPriority::PartType::TransparentMeshLines);
+            m_oppositeFaultGridLines->setPriority(RivPartPriority::PartType::FaultMeshLines);
         }
     }
 }
diff --git a/ApplicationCode/ModelVisualization/RivPartPriority.h b/ApplicationCode/ModelVisualization/RivPartPriority.h
index 9d72e7fa56..2212b34ece 100644
--- a/ApplicationCode/ModelVisualization/RivPartPriority.h
+++ b/ApplicationCode/ModelVisualization/RivPartPriority.h
@@ -40,6 +40,7 @@ public:
         Intersection,
         CrossSectionNnc,
         MeshLines, 
+        FaultMeshLines,
         Transparent,
         TransparentFault,
         TransparentNnc,
@@ -47,5 +48,4 @@ public:
         Highlight,
         Text
     };
-
 };
diff --git a/Fwk/AppFwk/CommonCode/cafEffectGenerator.cpp b/Fwk/AppFwk/CommonCode/cafEffectGenerator.cpp
index b748e9a212..2c91de2872 100644
--- a/Fwk/AppFwk/CommonCode/cafEffectGenerator.cpp
+++ b/Fwk/AppFwk/CommonCode/cafEffectGenerator.cpp
@@ -846,6 +846,8 @@ void MeshEffectGenerator::updateForShaderBasedRendering(cvf::Effect* effect) con
     {
         eff->setRenderState(new cvf::RenderStateLine(m_lineWidth));
     }
+
+    eff->setRenderState(new cvf::RenderStateDepth(true, cvf::RenderStateDepth::LEQUAL));
 }
 
 //--------------------------------------------------------------------------------------------------