diff --git a/library/DFTypes.h b/library/DFTypes.h
index f3fbdd4f4..83c7f1a82 100644
--- a/library/DFTypes.h
+++ b/library/DFTypes.h
@@ -778,14 +778,14 @@ struct t_hotkey
 // local are numbered with top left as 0,0, name is indexes into the item vector
 struct t_settlement
 {
-	uint32_t origin;
-	int32_t name[2];
-	int16_t world_x;
-	int16_t world_y;
-	int16_t local_x1;
-	int16_t local_x2;
-	int16_t local_y1;
-	int16_t local_y2;
+    uint32_t origin;
+    int32_t name[2];
+    int16_t world_x;
+    int16_t world_y;
+    int16_t local_x1;
+    int16_t local_x2;
+    int16_t local_y1;
+    int16_t local_y2;
 };
 
 }// namespace DFHack