diff --git a/planet/Worlds.ocf/GemGrabbers.ocs/Script.c b/planet/Worlds.ocf/GemGrabbers.ocs/Script.c
index 8cdbb7fd4..7dfde3c86 100644
--- a/planet/Worlds.ocf/GemGrabbers.ocs/Script.c
+++ b/planet/Worlds.ocf/GemGrabbers.ocs/Script.c
@@ -218,10 +218,13 @@ global func FxGrowGemStalactitesTimer(object target, proplist effect, int time)
 		if (y <= pos.y - 5)
 			continue;
 		
-		// Check for other stalactites and crew members.
-		var dist = 300;		
+		// Check for other stalactites, crew members, and vehicle material (wooden bridges, etc.). The new stalactite should not be too close to either 
+		var dist = 300;
+		var vehicle_dist = 30;
+		if (!!FindLocation(Loc_Or(Loc_Material("Vehicle")), Loc_InRect(pos.x - vehicle_dist, pos.y - vehicle_dist, 2 * vehicle_dist, 2 * vehicle_dist)))
+			continue;
 		if (!!FindLocation(Loc_Or(Loc_Material("Ruby"), Loc_Material("Amethyst")), Loc_InRect(pos.x - dist, pos.y - dist, 2 * dist, 2 * dist)))
-			continue;		
+			continue;
 		if (!!FindObject(Find_OCF(OCF_CrewMember), Find_Distance(dist, pos.x, pos.y)))
 			continue;