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-rw-r--r--src/newgrf_industrytiles.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
index a661fd018..08ecac408 100644
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -253,10 +253,10 @@ bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const Indus
NewIndustryTileResolver(&object, gfx, ti->tile, i);
group = SpriteGroup::Resolve(inds->grf_prop.spritegroup, &object);
- if (group == NULL || group->type != SGT_TILELAYOUT) {
+ const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
+ if (group == NULL || group->type != SGT_TILELAYOUT || tlgroup->num_sprites == 0) {
return false;
} else {
- const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
/* Limit the building stage to the number of stages supplied. */
byte stage = GetIndustryConstructionStage(ti->tile);
stage = Clamp(stage - 4 + tlgroup->num_sprites, 0, tlgroup->num_sprites - 1);