diff --git a/Tactical/PATHAI.cpp b/Tactical/PATHAI.cpp
index 85be9c65d..686489c2d 100644
--- a/Tactical/PATHAI.cpp
+++ b/Tactical/PATHAI.cpp
@@ -3059,6 +3059,10 @@ if(!GridNoOnVisibleWorldTile(iDestination))
 
 			newLoc = curLoc + dirDelta[iCnt];
 
+			if (newLoc >= WORLD_MAX || curLoc >= WORLD_MAX)
+			{
+				goto NEXTDIR;
+			}
 
 			if ( fVisitSpotsOnlyOnce && trailCostUsed[newLoc] == gubGlobalPathCount )
 			{