diff --git a/src/Lean/Data/RBMap.lean b/src/Lean/Data/RBMap.lean
index 22221ec697..6b235c260e 100644
--- a/src/Lean/Data/RBMap.lean
+++ b/src/Lean/Data/RBMap.lean
@@ -6,17 +6,17 @@ Authors: Leonardo de Moura
 namespace Lean
 universe u v w w'
 
-inductive Rbcolor where
+inductive RBColor where
   | red | black
 
 inductive RBNode (α : Type u) (β : α → Type v) where
   | leaf                                                                                        : RBNode α β
-  | node  (color : Rbcolor) (lchild : RBNode α β) (key : α) (val : β key) (rchild : RBNode α β) : RBNode α β
+  | node  (color : RBColor) (lchild : RBNode α β) (key : α) (val : β key) (rchild : RBNode α β) : RBNode α β
 
 namespace RBNode
 variable {α : Type u} {β : α → Type v} {σ : Type w}
 
-open Rbcolor Nat
+open RBColor Nat
 
 def depth (f : Nat → Nat → Nat) : RBNode α β → Nat
   | leaf           => 0
diff --git a/tests/bench/rbmap.library.lean b/tests/bench/rbmap_library.lean
similarity index 100%
rename from tests/bench/rbmap.library.lean
rename to tests/bench/rbmap_library.lean
diff --git a/tests/bench/speedcenter.exec.velcom.yaml b/tests/bench/speedcenter.exec.velcom.yaml
index b97607c67c..ece2ab9154 100644
--- a/tests/bench/speedcenter.exec.velcom.yaml
+++ b/tests/bench/speedcenter.exec.velcom.yaml
@@ -141,9 +141,9 @@
     tags: [fast, suite]
   run_config:
     <<: *time
-    cmd: ./rbmap.library.lean.out 2000000
+    cmd: ./rbmap_library.lean.out 2000000
   build_config:
-    cmd: ./compile.sh rbmap.library.lean
+    cmd: ./compile.sh rbmap_library.lean
 - attributes:
     description: rbmap_fbip
     tags: [fast, suite]