diff --git a/minecraft-server/start-minecraft.sh b/minecraft-server/start-minecraft.sh
index f20f7251..268b1cdb 100755
--- a/minecraft-server/start-minecraft.sh
+++ b/minecraft-server/start-minecraft.sh
@@ -445,7 +445,6 @@ if [ ! -e server.properties ]; then
   setServerProp "spawn-monsters" "$SPAWN_MONSTERS"
   setServerProp "spawn-npcs" "$SPAWN_NPCS"
   setServerProp "generate-structures" "$GENERATE_STRUCTURES"
-  setServerProp "spawn-npcs" "$SPAWN_NPCS"
   setServerProp "view-distance" "$VIEW_DISTANCE"
   setServerProp "hardcore" "$HARDCORE"
   setServerProp "max-build-height" "$MAX_BUILD_HEIGHT"