diff --git a/apps/openmw/mwmechanics/aicombat.cpp b/apps/openmw/mwmechanics/aicombat.cpp
index f6123c12c..1adc2531b 100644
--- a/apps/openmw/mwmechanics/aicombat.cpp
+++ b/apps/openmw/mwmechanics/aicombat.cpp
@@ -346,7 +346,7 @@ namespace MWMechanics
 
                         bool runFallback = true;
 
-                        if (pathgrid && !actor.getClass().isPureWaterCreature(actor))
+                        if (pathgrid != nullptr && !pathgrid->mPoints.empty() && !actor.getClass().isPureWaterCreature(actor))
                         {
                             ESM::Pathgrid::PointList points;
                             Misc::CoordinateConverter coords(storage.mCell->getCell());
diff --git a/apps/openmw/mwmechanics/aiwander.cpp b/apps/openmw/mwmechanics/aiwander.cpp
index 0e424b2f8..175836b11 100644
--- a/apps/openmw/mwmechanics/aiwander.cpp
+++ b/apps/openmw/mwmechanics/aiwander.cpp
@@ -754,6 +754,9 @@ namespace MWMechanics
         const ESM::Pathgrid *pathgrid =
             MWBase::Environment::get().getWorld()->getStore().get<ESM::Pathgrid>().search(*currentCell->getCell());
 
+        if (pathgrid == nullptr || pathgrid->mPoints.empty())
+            return;
+
         int index = PathFinder::getClosestPoint(pathgrid, PathFinder::makeOsgVec3(dest));
 
         getPathGridGraph(currentCell).getNeighbouringPoints(index, points);