diff --git a/plugins/proto/RemoteFortressReader.proto b/plugins/proto/RemoteFortressReader.proto
index 96007da7a..c5c778b1f 100644
--- a/plugins/proto/RemoteFortressReader.proto
+++ b/plugins/proto/RemoteFortressReader.proto
@@ -494,10 +494,10 @@ message BpAppearanceModifier
 
 message TissueRaw
 {
-	optional string id = 1;
-	optional string name = 2;
-	optional MatPair material = 3;
-	optional string subordinate_to_tissue = 4;
+    optional string id = 1;
+    optional string name = 2;
+    optional MatPair material = 3;
+    optional string subordinate_to_tissue = 4;
 }
 
 message CasteRaw
@@ -532,7 +532,7 @@ message CreatureRaw
     optional ColorDefinition color = 8;
     optional int32 adultsize = 9;
     repeated CasteRaw caste = 10;
-	repeated TissueRaw tissues = 11;
+    repeated TissueRaw tissues = 11;
 }
 
 message CreatureRawList
@@ -623,4 +623,4 @@ message KeyboardEvent
     optional uint32 mod = 6;
     optional uint32 unicode = 7;
 }
- 
\ No newline at end of file
+