diff --git a/ApplicationCode/ProjectDataModel/RimEclipseCase.cpp b/ApplicationCode/ProjectDataModel/RimEclipseCase.cpp
index 89eef133b8..0f03e8da69 100644
--- a/ApplicationCode/ProjectDataModel/RimEclipseCase.cpp
+++ b/ApplicationCode/ProjectDataModel/RimEclipseCase.cpp
@@ -893,9 +893,9 @@ bool RimEclipseCase::openReserviorCase()
     {
         std::vector<RimGridCollection*> gridColls;
         descendantsIncludingThisOfType(gridColls);
-        if (!gridColls.empty())
+        for (RimGridCollection* gridCollection : gridColls)
         {
-            gridColls.front()->syncFromMainGrid();
+            gridCollection->syncFromMainGrid();
         }
     }