diff --git a/plugins/embark-assistant/defs.h b/plugins/embark-assistant/defs.h
index a67660545..9634d7c48 100644
--- a/plugins/embark-assistant/defs.h
+++ b/plugins/embark-assistant/defs.h
@@ -68,9 +68,9 @@ namespace embark_assist {
             Woodland,
             Heavily_Forested
         };
-		
-		// only contains those attributes that are being handled during incursion processing
-		struct mid_level_tile_incursion_base {
+        
+        // only contains those attributes that are being handled during incursion processing
+        struct mid_level_tile_incursion_base {
             uint8_t aquifer = Clear_Aquifer_Bits;
             bool clay = false;
             bool sand = false;
@@ -82,7 +82,7 @@ namespace embark_assist {
             uint8_t evilness_level;  // 0 - 2
         };
 
-		// contains all attributes (some by inheritance), used for regular survey/matching
+        // contains all attributes (some by inheritance), used for regular survey/matching
         struct mid_level_tile : public mid_level_tile_incursion_base {
             bool flux = false;
             bool coal = false;